Grit and Low Self-Esteem

From the U.S.: I was wondering if it were possible for people to have a strength called ‘grit’ while also having low self-esteem, and if that is considered rare, or what researchers would identify as an outlier in some studies.

Worried about My Son

From the U.S.: I am pretty much concerned about my 2-year-old son. About 5 months ago, me & my husband noticed that he constantly crosses his fingers (like when you cross them for good luck) with both hands. After researching,