@Equestrianforlife7xo,
I get that it affects you.
Not really arguing with that.
I'm saying that focusing on that one issue instead of addressing other things about your mindset suggests to me that you will keep finding something to blame for your confidence issues -- if not fat, something else.
Your hair, or your nose, or your teeth -- something.
Instead of just accepting yourself and figuring out how to interact with people in a more comfortable way.
Have you thought about seeing a counselor re: the social anxiety thing? I understand that you say it hasn't been officially diagnosed, but you seem to think that it's possible.