A self-fulfilling prophecy is when a person’s expectations about a situation come true due to changes in their own behavior. It is a psychological phenomenon that can play a role in mental health.

Positive self-talk is an internal dialogue that makes a person feel good about themselves. A person can use positive self-talk to think optimistically and feel motivated. Identifying negative ...

A lack of self-esteem can produce anxiety, that feeling of helpless fear, or depression, that feeling of self-hate. A lack of self-concept—not knowing who we are—can produce other horrors, such as a ...