my bf is in the bathroom getting 'prepped' and im really nervous! i dont know anything about it. He says he want to do it now, he says he is going to show me the time of my life. IM A COMPLETE VIRGIN. quick who goes where? and what happens after. shall i scream his name, shall i grunt or meow, or shall i stay still. ive never even kissed a boy let alone given anyone my flower! shall i tense or does that hurt him. my friends always go on and on about how good it is! but i have never done it. also what is 'cum' and is it going to happen to me????