....well, guys can be pretty good at turning almost ANYTHING into a stupid competition. I'd be careful about that. I think that's one thing common to all species. We love to fight over stuff and prove ourselves most deserving of whatever it is.

[He crossed his arms.]

But you don't owe either of them anything, have no formal commitment so... you can spend time with either or both and if one has a problem with it... well. It's their issue. It's up to THEM to be straight with you and say 'Yes, I want you in my life as more than this.' or 'No, I'm not interested in that way so let's just be pals.' It ain't up to YOU to figure that out. You're not Psychic.