Hello! Today you chose a very interesting topic. I'd say that the problem you are talking about could be called a mental illness.
Some people also treat others in a rude or mean way when they want to hide or "protect" themselves, trying to look stronger than they are.
Social interactions are extremely difficult for some people. Personally, I find it very complicated to accept others compliments, as I can't believe they truly think them, and that has brought problems throughout my life. Fortunately, I didn't response to them in a rude way!
Once again, very beautiful post!
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