If you are a woman who can remember having sex with another woman, than you did. If you do not remember having sex with another woman, chances are you didn't.
tell him the reasons why you are a lesbian...he will understand.
You can tell if you are a lesbian if you are attracted exclusively to other women.
disgusting
If you are a curious and need to tell if you are a lesbian, think about a woman's body. If it turns you on in a sexual way, you are likely a lesbian.
You ask her.
That your a lesbian
You ask her.
Yes! Being a lesbian just means that you are attracted to other girls, not that you've had sexual relations with them.
That your a lesbian
Ask her
They can't tell from an exam. The only what they can tell is by asking you.
At some point it would be good to be honest to her and tell her you're a man. I'd tell her how you feel about her, though, and ask her if she can look beyond your gender. From personal experience, it can be done.