Im bisexual and I like my girl friend but shes straight I dont know what to do

I am bisexual and I have a friend a close friend(girl) that I like but doesnt know that im bi cause in my case I just recently found out that I like girls so I dont know what to do.im getting mix signals but I dont wanna ruin our friendship if I tell her, help me on what to do

What you would do would greatly depend on whether you're male or female. If you're female and she's straight, forget it. If you're a guy, go for it.

I agree with Rob. It's simple as that.