Yes, by deal breakers, we mean behaviors that are non-starters for a serious relationship. The Wall Street Journal reports on a series of recently published studies that found that women have more deal breakers than men, perhaps because are the ones who get pregnant, so they pay big time if they choose a loser partner.  And now, the deal breakers: for most people, women and men, the biggest deal breaker was being disheveled or unclean, followed closely by being lazy or too needy. For women, lacking a sense of humor was a big deal breaker, while for men, low sex drive was up there. Women rated bad sex partner as a prime deal breaker, and men said talks too much was high on the list. See a list of deal breakers on this page