Does anyone else find that the positions that feel the best often hurt your partner the most? I find this with two postions in particular. The first is missionary with her legs over my shoulders. She seems to love it when I go about 1/2 way in but it takes so much self control not to go balls deep. The second position (sorry don't know all the crazy names) is when she is bent over with her ass in the air and tits on the bed, then I stand, knees bent behind her and enter her. These are my two favorite positions, but besides going slower I don't know what else to do to stop tearing things in her down under. Any suggestions?