Which do you prefer; a boy bestfriend or a girl bestfriend?

What do you think? Which do you prefer; a boy bestfriend or a girl bestfriend?

They say that there's a possibility that when you and your girl bestfriend fall in love with the same guy. And because of that all your secrets will vulgar when the times come that you both fight because of the same guy you like.

And if your bestfriend is a guy, you can't obviate he fall in love with you. But then you already have a boyfriend. Because of your closeness with your bestfriend, your boyfriend gave a wrong meaning to it and because of that he breaks up with you?

Do you get it what I mean?

Which you want to be with?
I think thats really hard to choose..