Couples' personalities converge over time to make partners more and more similar.
235
'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
40% of people who are rejected in romantic love slip into clinical depression.
72
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
Twenty nine percent of women spend more time shopping for shoes than they do looking for a life long mate.
737
Wearing red increases attraction.
30
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44