You could confront the issue head on and wear a T-shirt printed with "I'm a guy not a girl" printed on it. Other than it you can't really alter other peoples misconceptions until they actually express them.
You might mean "androgynous." An androgynous lesbian is a woman who has romantic and/or sexual feelings for other women, and looks androgynous- they are neither overtly feminine or masculine, but somewhere in-between, occasionally making it difficult to tell their gender.
I find this question confusing, as you say you are a lesbian and your friend is gay...yet you are attracted to each other..
If you are a lesbian, nothing can make you "not a lesbian."
Then your a Lesbian?
No she is not a lesbian
No bethan is not Lesbian
she is not a lesbian
No. She is not a lesbian.
No she is not a lesbian.
A lesbian partner would be the significant other of a lesbian. A lesbian couple can be referred to as parters rather than girlfriends or wives.
Winston Churchill was not a lesbian.
Yes, she is a lesbian.