They exist and its possible but it's rare. Even when the guys are only treating you as friends, chimui, bro shit... They would still want to get into your pants. Dont believe me? Try to turn him on, get it on with him and ask him if he wants to do it with you while having your hands rub his thighs, be serious... He would show his true self then and later apologise when you say you're kidding. Trust me, it bloody work.