How do guys not get this yet? If you want to go down on them, you'll do it in your own time. There is nothing worse than having a guy shove your head down to their crotch because not only is it rude, but it's also such a mood killer. You're happy for them to go down on you but when have you ever forced their head down to your vagina? Exactly. You'll do it in your own time, when you're ready.