Girls, How do approach a woman as a bigger guy?

My whole problem with women my whole life has been a severe fear of rejection by women. I'm terrified they're going to yell at me or humiliate me. I also don't know what kind of women I'm allowed to talk to. I wouldn't say go up to model and talk to her. I'm chubby by not huge. I don't know if I'm ugly or not either. I've never been told if I am or not. I know not to put a picture up.

Girls, How do approach a woman as a bigger guy?
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