You shouldn't that is what other people think
You can't, being embarrassed is just a part of life. What you can do is take a deep breath and keep doing what you are trying to do.
Depending on how you embarrassed her; say sorry or let it be.
A girl should never be embarrassed by her crush in any given situation. It also sounds like the friends would be lying that they approve of him. Either her friends have lied to the crush, or the girl lied to her crush that her friends approve of him.
If you are embarrassed by someone, you know exactly why you are embarrassed. If you are embarrassed around someone, you often find you can't put your finger on why, and it's frustrating.
Assure her that it is okay to feel embarrassed and that it happens to the best of people. try to comfort the embarrassed girl
Maybe because the boys want to be the stronger person. Maybe when the girl is stronger then the boy, they feel embarrassed because boys always want to be better than the girls.
The girl most likely enjoys being with you, but if you don't want it and feel uncomfortable, tell her to stop doing it and if she doesn't stop, ignore her.
stop being ugly
Being embarrassed by someone would mean this: that specific person teased you and you feel really ashamed or embarrassed. If another female or male teased you around the other human we talked about, then you'd be embarrassed by that person and not the other one.
Being gay is not a decision. It's something you are either born with, you are not. But yes, some people are embarrassed about being gay.
YOU CANT ITS PART OF LIFE IF YOU ARE A GIRL! Talk to your doctor and make sure there isn't an underlying reason. And don't be embarrassed, that's what your doctor is for.
Don't be embarrassed. If you like her in that way, tell her. Believe me it will get it all of your chest. I'm not a lesbian, or in fact a girl, but I told this girl I loved, and that made me realise that I didn't love her. Tell her, and see how you, and her, react.