If you feel it is any of their business and you feel you want to tell them then just do it. Something like I didn't want there to be any misunderstanding between us, just so you know, I'm bi sexual. The conversation continues from there or it doesn't.
There are no signs. If you are bisexual, no one will know for certain unless you tell them.
'I'm bisexual'
Go Tell Somebody was created in 1986.
If you fall in love with and is sexually attracted to both genders you are bisexual.
You ask her.
Somebody will tell you so.
As far as I could tell, there is no indication in any of the ten main novels about him being bisexual.
There is only one way to tell: you have ask her.
There is only one way to make your parents believe that you are bisexual. You will just have to tell your parents.
I would tell your bisexual friend that even though its hard to tell them but you have to because you're his friend. then nicely tell them that the other guy isn't interested and that there are better people out there for him.
tell somebody
tell em