Our happy hour fact to amaze your drinking buddies with.

Those who flirt in an outgoing, physical manner attract shorter relationships than those who take a more laid-back and sincere approach to courting.

Researchers at the University of Kansas broke flirtation down into five categories: traditional, physical, sincere, playful and polite. They then surveyed 5,100 people on their flirting techniques.

Whereas they found that everybody incorporates a bit of each flirting style into the way the chat up the opposite sex, one particular style tends to dominate a person's repertoire. The scientists also found that those who employ predominately playful and physical flirtation techniques have shorter, less serious relationships than those who take the polite and sincere approaches.

The researchers suggest modifying how you flirt if you are unsatisfied with the overall quality of your relationships. In other words, if you are sick of having brief flings, you should probably stop drinking so much.