Understanding how to set personal limits is essential for building and maintaining healthy relationships.

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Many people know what the word “boundaries” means, but they have no idea what they are. You might think of boundaries as something like a property line or “brick wall” used to keep people out.

But boundaries are not rigid lines drawn in the sand that are clear for all to see.

Boundaries are a way to take care of ourselves. When you understand how to set and maintain healthy boundaries, you can avoid the feelings of resentment, disappointment, and anger that build up when limits have been pushed.

Boundaries can take many forms. They can range from being rigid and strict to appearing almost nonexistent.

If you have more rigid boundaries, you might:

  • keep others at a distance
  • seem detached, even with intimate partners
  • have few close relationships
  • avoid close relationships

If you have more loose or open boundaries, you might:

  • get too involved with others’ problems
  • find it difficult to say “no” to others’ requests
  • overshare personal information with others
  • seek to please others for fear of rejection

A person with healthy boundaries understands that making their expectations clear helps in two ways: it establishes what behavior you will accept from other people, and it establishes what behavior other people can expect from you. If you have healthy boundaries, you might:

  • share personal information appropriately (not too much or not too little)
  • understand your personal needs and wants and know how to communicate them
  • value your own opinions
  • accept when others tell you “no”

Many of us have a mix of boundaries depending on the situation. For example, you might have strict boundaries at work and more loose ones at home or with family and friends.

There might even be different boundaries based on a person’s culture. For example, some cultures find that sharing personal information is not appropriate at any time, while in other cultures, sharing might be encouraged at all times.

Building healthy boundaries — whether you’re at work, at home, or hanging out with friends — hinges on understanding the types of boundaries.

There are five different types:

  • Physical. This refers to your personal space, your privacy, and your body. You might be someone who is comfortable with public displays of affection (hugs, kisses, and hand-holding), or you might be someone who prefers not to be touched in public.
  • Sexual. These are your expectations concerning intimacy. Sexual comments and touches might be uncomfortable for you.
  • Intellectual. These boundaries concern your thoughts and beliefs. Intellectual boundaries are not respected when someone dismisses another person’s ideas and opinions.
  • Emotional. This refers to a person’s feelings. You might not feel comfortable sharing your feelings about everything with a friend or partner. Instead, you prefer to share gradually over time.
  • Financial. This one, as you guessed, is all about money. If you like to save money — not spend it on trendy fashions — you might not want to loan money to a friend who does.

When you get ready to establish your boundaries, be sure to take each one into account.

“In a nutshell, it’s knowing how to separate your feelings or ‘stuff’ from someone else’s,” says U.K.-based psychologist Dr. Tara Quinn-Cirillo. “As human beings we have our own thoughts, memories, and lived experiences, and sometimes that can become very blurred with someone else’s. Boundaries are healthy for helping you identify and keep that space.”

Whereas security alarms signal when physical boundaries are crossed, you have to rely on your own internal alert systems to determine when your emotional and psychological boundaries are infringed upon.

For example, “If you come away from a meeting or telephone conversation with friends, family, or anyone, feeling depleted, anxious, [or] wound-up, there are probably boundaries being breached,” explains Sally Baker, a senior, licensed, and accredited therapist in London, U.K.

Setting boundaries is beneficial for far more than just defining our identity. Having them in place “limits your exposure to stress and the [body’s] production of adrenaline and cortisol [the stress hormone],” Baker says. “It protects your mental well-being.”

Dr. Quinn-Cirillo agrees that well-being is a key factor, as a lack of boundaries can “lead to emotional and physical fatigue,” especially if you have to deal with the exhausting behaviors of others.

And it doesn’t end there. Boundaries promote a sense of autonomy, says Dr. Quinn-Cirillo, in “that you are in control as far as possible in what you want and don’t want.” They can also “keep you safe in relationships at work, home, and with partners, and that’s really important.”

Research also shows that blurred boundaries, particularly between work and home life, are linked to unhealthier lifestyles and lower levels of happiness, along with a higher risk of family conflict. So, you’ll want to get yours in check.

Not sure how to go about creating boundaries or effectively uphold existing ones? We’ve rounded up some of the best approaches to try.

Enjoy some self-reflection

To successfully introduce and set boundaries, it’s key to understand why they’re each important to you and how they will benefit your emotional well-being.

“Take some time to be a detective of your own psychology,” suggests Baker. “So often stuff happens to people and they feel uncomfortable, but they’re not sure why. The first step in having healthy boundaries in any situation is spending the time to explore what’s happening to you.”

Start small

If you don’t have many boundaries in place already, the prospect of introducing more might seem overwhelming — so build them up slowly.

Doing so allows you to take things at a more comfortable pace, and it provides time to reflect on whether it’s heading in the right direction or if you need to make some tweaks.

Set them early

“Sometimes it can be really hard to start putting boundaries in, especially in pre-existing relationships,” says Dr. Quinn-Cirillo. “If you can put in boundaries straight away, it’s a lot easier to work with.”

By setting boundaries and expectations from the very beginning, everyone knows where they stand, and feelings of hurt, confusion, and frustration can be lessened.

Be consistent

Letting boundaries slide can lead to confusion and encourage new expectations and demands among those around you.

Try keeping things consistent and steady. This helps to reinforce your original thresholds and beliefs, and it ensures those lines remain clearly established.

Create a framework

Dr. Quinn-Cirillo notes that boundaries “vary depending on the type of relationship.” However, if you find it helpful, there’s no reason not to have a few basics in place that can be adapted accordingly.

Consider getting an hour or two of alone time each weekend. This boundary could apply whether you live with a partner, have a busy social schedule with friends, or are close with your family.

Feel free to add extras

In some aspects of our lives, there are boundaries already in place — such as in the workplace. But consider these the minimum. Colleagues will likely have some of their own in place, and it’s okay for you to add some too.

Doing so may even enhance your performance. Austrian researchers found that employees who introduced personal workplace boundaries felt more empowered.

Be aware of social media

These platforms allow for more communication than ever, but they’ve also encouraged some considerable boundary blurring.

“There’s some incredible oversharing happening,” Baker states, and research shows that over half of us are concerned that family and friends will post personal information or photos that we don’t want shared publicly.

If you deem a particular action as boundary-crossing in real life, your concerns are no less valid when it occurs digitally. “You don’t have to expose yourself to social media that’s distressing you,” she adds.

Talk, talk, talk

Communication is critical in the world of boundaries, especially if someone consistently oversteps yours. While you might need to raise your concerns, these discussions need not be confrontational.

For example, if you have a friend who sends messages nonstop, Dr. Quinn-Cirillo suggests saying something along the lines of, “‘I can see you really wanted to get hold of me, but the best thing to do is drop me a message, and I’ll get back to you when I can.’” This gently highlights their behavior while simultaneously asserting your threshold.

Be your biggest champion

For boundaries to have a strong foundation, you need to show yourself a bit of love, notes Baker. “If you’ve got a narrative in your head that says you’re worthless and undeserving, then you’re going to find it difficult to put boundaries in place that protect you,” she says. “A lot of it comes down to self-worth and self-value.”

It doesn’t take much to start encouraging this mindset either, adds Baker. The more you engage in activities “that release feel-good hormones, like singing, running, or whatever you want to do — things that feed your own heart — then that’s going to help change your internal dialogue and make you feel more deserving.”

Gain some perspective

Not having boundaries can be detrimental to our mental health, but going too far and over-thinking them can also impact our emotional well-being, reveals Dr. Quinn-Cirillo.

“Get a healthy level of thinking about boundaries,” she says. “Have some but don’t be dictated by them. Sometimes you’ve just got to go with your gut instinct. We can forget that we’re actually quite good at navigating most things and are quite intuitive as human beings.”

In addition to setting your own boundaries, it’s important to appreciate those of others, too — even if they’re different from your own. So how can you determine what they are?

Frustratingly, “there’s no magic science,” says Dr. Quinn-Cirillo. “If you’re concerned or unsure, just ask.” Fortunately, the conversation doesn’t have to be awkward or confrontational. “Just general discussion helps,” she continues. “Say something like, ‘Can I message you later?’ or ‘When is it good to message?’ They help start to put a framework in place.”

It’s also about using your common sense. If your partner hates using social media, there’s a good chance they won’t want those coupled-up selfies plastered across your Instagram or Facebook account. Or, if a friend says they don’t want to see a particular movie, don’t pester them until they cave in.

Dr. Quinn-Cirillo reveals that repeatedly violating boundaries “can breed resentment and contempt, and cause people to withdraw.” So there’s no harm in taking a moment to think before you act.

Boundaries are essential for various reasons and look different to everyone. You might be concerned that they will make you seem unfriendly or confrontational, but as this Inside Mental Health podcast from Psych Central reveals, it is possible to maintain them without upsetting those you care about.

Don’t feel guilty about setting boundaries. They’re essentially a form of self-care, and we actively look to incorporate other elements of this into our lives daily — from eating a balanced diet to exercising. This is no different!

It might take some time and consideration to decipher the boundaries most important to you and the best ways to implement them, but your mental well-being will appreciate the effort in the long run.