I'm a f-ing womam!

I'm so tired of being called sir. I was just at the gas station paying for gas wearing skinny jeans low cut shirt tits hanging out and I still get "sir are you paying for gas?" I mean can you not see I have breasts my hair goes past my shoulders. I try so hard to look feminine yet ppl still think I'm a man idk what else to do. Here's a pic of me today sry it's not a good one but that guy made me tear up.

and here's a cple other ones yet I still get get called sir it's driving me crazy

maybe you ladies can give some suggestions to prevent this from happening... I swear it happens all the time and it's really messing with my head