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
'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
Couples' personalities converge over time to make partners more and more similar.
235
In Korea, if you do not receive any gift on Valentine's day then all the singles go to Korean restaurants and eat black noodles to celebrate (or mourn) their single status.
27
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
40% of people who are rejected in romantic love slip into clinical depression.
72
When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
130
There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12