My tip to all under-fucked ladies: lie down with your legs apart and just ma**urb**e with a dirty jerk off instruction in front of your partner. I can well imagine that all manufacturers of sexual enhancers do not like to read my text now. But it's like that, I've tried it so many times, every time I notice that my partner's desire for sex decreases a little: I just jerk off in front of his eyes and what happens afterwards, you can find out in this video