AllTop Viral!

When it comes to love (or lust, as the case may be), men and women know what they like when they see it. Ask people to describe their ideal romantic partners, and they might draw a blank or merely offer a vague outline, but that doesn’t matter so much, since they’ll immediately know when they encounter him or her.

To help ensure that the good ones don’t get away, our bodies produce a host of physical signs of attraction that grab our attention and direct it toward the dreamboat in question. When those physiological mechanisms kick in, even a brief glimpse of a crush can leave us short of breath and dazed.

• Be Still My Beating Heart: The heart-attraction relationship is so potent, studies have found that increasing someone’s heart rate and then putting him or her near a pretty stranger can artificially ignite a flame of affection
• Jeepers Peepers: . When we spot a comely face, our brains release dopamine, which triggers pupil dilation.

Full list at HowStuffWorks.com.

Total aggregation of HowStuffWorks.com.

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