it does when it's my wife. her eyes are rolled back, and eyelids are fluttering. sometimes it lasts quite awhile and it's kind of scary. she's having multiple orgasms when this typically happens, and I'm larger by the second, pile driving her.. afterwards, she is speechless, her legs are quivering, moaning. she is very appreciating of me.....and my big cock. "thank you for being big(with her hand caressing me). I never thought it mattered til you."