Whatever the man is comfortable in. But all I ask is you brush the strays out- nothing can ruin a moment like hacking on a hair caught deeeeeep in the throat. ;)
I like to play with fire but it doesn't make me a pyro-
so if a straight man like things in his ass doesn't mean he's gay.
Even if he wants to try tasting cock- just trying something doesn't mean they're necessarily homosexual.