8. Turn chores into foreplay.
Even in this enlightened age, women still spend about an hour more each day than men on household chores and childcare. No wonder we’re not in the mood — we’re tired! Research at the University of Washington shows that when men pitch in around the house, their wives are much more likely to be satisfied with the relationship and to want more sex. “All he needs to hear is that helping out is a form of foreplay,” says Berman. The next thing you know, he’ll be pushing past you to wipe the counter, change the kitty litter, and unload the dishwasher.