Every time you insult yourself, you are affirming those insults, emotions, and reactions. You are developing an agreement with things that will handcuff you and your potential.
“I’m not smart enough.”
“I don’t have what it takes.”
“She/he wouldn’t date someone like me.”
“I only have an Associates Degree.”

It doesn’t matter what people are telling you because you have what it takes. Your story has value and you are a vital piece to the puzzle.