i say fuck her every chance you get. so what if he stays in the corner and plays with himself. ram her cunt then fuck the bitch up the ass.
he'll really enjoy it if you cum in her.
i love doing it and hearing it. i especially get into it if a chick is cool with hearing me say shit like "take it, bitch. you know you're a fucking slut. you love feelin me ram this big dick up your cunt. fucking bitch."