Cross your legs instead of your fingers.
Talk to him right when he's done. Lol
Only by ******* him a lot more, so he stops being sex-fixated
Wear a tarp. :)
Have sex with him as many times at it takes to get him in a state of exhaustion and totally satisfactied, then he will be pliable :)
Wear a parka.
wear baggy clothes that hides your form
If he can't do it on his own, then I doubt you'll be of much help. Time to move on it seems.
Put,something which is a little less figure hugging on