I'd Like To Experiment With Another Woman

i'm a bisexual..i love both boys and girls..but I cant trust any boys..i broke up with my boyfriend two years back..now i'm in love with a girl who is my best friend.. I can't imagine a day without her...i really love her so much..she also love me as well..i'm attracted to her both mentally and physically..but she is only physically attracted with boys..i dont know how she can resist me..we both love each other a lot..but I'm afraid to tell her that I'm attract to her physically -_- what can I do?