Yes.
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.
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.
They can't tell from an exam. The only what they can tell is by asking you.
That your a lesbian
Ask her
Physically it is possible, just as mother and son can have sexual relationship.
you need a verb in this sentence.