[quote=Valiance]
If you don't care, then why so stubborn? Why keep believing a lie?
[/quote]

Because
A) It's true
B) It's more fun to believe
C) It gives me an edge in case I ever need to use it against her. 
Why do you even care? Would you stop being her friend for being a lesbian? Would you attack her just because she likes girls more than guys?