Historically, sweat has been an active ingredient in perfume and love potions.
309
Couples' personalities converge over time to make partners more and more similar.
235
40% of people who are rejected in romantic love slip into clinical depression.
72
People are more likely to tilt their heads to the right when kissing instead of the left (65 percent of people go to the right!)
278
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
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
When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
130
'X' became symbolic for a kiss because in the middle ages when alot of people were illiterate and they used to sign documents with an X and then kiss it for sincerity.
255