Why do people put themselves down?

[Emily]

You should ask him I he is doing it to be funny. If he is not he probably has low self esteem and needs a friend to support him and make him feel good about himself. He needs Someone to tell him why he is a good person and to remind him who he is and that he shouldn't be afriad of being himself. Cause I sometimes have low self esteem and I know how it feels you feel like your not worth it and what u say doesn't matter what u say... It's not fun