Couples' personalities converge over time to make partners more and more similar.
235
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
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
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
Two in five people in the world marry their first love.
270
'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