Originally Posted by Acetylene

If he's that big, your vagina might just be small. My roommate's vagina is tiny and all but the smallest men hurt her. Try getting some dildos that graduate in size and spend a few weeks gradually working on your tolerance for a larger object inside you. During this time, I wouldn't recommend you have any sex at all since the irritation will make you tighten up again. If you don't mind anal you can give him that during this time. Or, while you're at the sex shop, get him his own vibrator and masturbate together until you're ready to accept him inside you again.