Whether it's due to bad breath, too much tongue, or overall sloppiness, being a bad kisser can seriously hurt your chances of getting any further with someone you like.

According to a new study in the academic journal Evolutionary Psychology: "59 percent of men and 66 percent of women said they've been in the position of being attracted to someone -- until they kissed the person."

How do women use kissing to rate men? (See after the jump)

Study author Gordon Gallup says women "use kissing as a mate-assessment technique" and "subconsciously evaluate mating potential from the chemicals in their partner's saliva and breath."

Clearly this guy isn't getting any action.

Questions Raised: How do you know if your kissing is up to snuff? If one person thinks you're too tongue-y, does that mean you're universally doomed, or do you just need to find someone with a bigger mouth to fit it in?

The Takeaway: The article gives a few tips on improving technique, including the "Vacuum kiss, in which you suck the air out of your partner's mouth while kissing" and "'Lip-o-suction,' in which you kiss the upper lip while your partner kisses the lower lip, and then you reverse."