Psychology Question: Why Does Someone Put Another Person Down, Insult, and Try to Make Them Feel Bad?

There is often a motivation for a person when they show a pattern of making hurtful comments and making others feel badly. Often, it is an attempt to make others feel the same way they feel inside: unhappy. People are who are mean to others as a pattern sometimes are dealing with an internal self-hatred, and that hatred makes it difficult for them to feel positive consistently about others. 

In this video clip, I describe the process!