Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
26
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
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A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
10
Brain scans show that people who view photos of a beloved experience an activation of the caudate - the part of the brain involving cravings.
103
In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
4
Erotomania is a type of delusion in which the person believes another person is in love with him/her.
38
A man's beard grows fastest when he anticipates sex.
239
When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
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