Sorry to post without an answer, but I have a question along the same lines. I've also heard that lees are more sensitive to tickling post "O", as you put it, but is that true for both males and females? When males ejaculate their bodies undergo a very different process to females. Dopamine levels drop, reducing the desire for pleasure and a whole bunch of other things happen to make us less interested. It seems to me that if a guy were tickled post "O" he'd be less into it than before. Can anyone either confirm or correct this?