What do you think may be a reason why I always used to believe ugly looking people must also be bad people when I was young growing up?

I really did believe for years growing up anybody who I thought was ugly looking must also have a bad personality and it would be good for me if I stayed away from them and didn’t try to be friends with them.

I never felted this way about people who I thought were average looking and good looking.
What do you think may be a reason why I always used to believe ugly looking people must also be bad people when I was young growing up?
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