Martin suggests "telling her how much you desire her," and how beautiful she is. Knowing that you don't just want to have sex, you want to have. Alison really likes having sex during her period. Cultural reasons, for example, can influence someone's lack of desire for period sex. I can hear her vibrator every night when I take a shower, and it breaks my heart that I can't give her what I used to so easily. I want to have sex. For years Stacey was puzzled about why she never wanted to sleep with anyone, even her husband. As she explains here, it was her doctor that.