U by kotex believes a period should never get in the way of a woman's progress. But for 40% of women on Valentine's Day, periods do get in the way of getting it on, Which is unfortunate because 47% of women say their period increases their sex drive. So to spark some conversation on this taboo subject, we combined two things women crave on their period and on V-Day—both of which are scientifically proven to reduce cramps: chocolate and sex.