They describe themselves in terms of negatives. A person who has a fragile ego tends to have very low self-esteem and self-worth. When and if they try to describe themselves, they’ll use terms and phrases that denote a sense of lack, rather than abundance. Additionally, that perceived absence of a “something” is perceived as negative.

Fragile X syndrome (FXS) is one of the more common known causes of intellectual disability that can run in families (inherited). FXS is caused by a change in the genetic material in each cell of the body.