40% of people who are rejected in romantic love slip into clinical depression.
72
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
8 out of 10 people think that the first kiss indicates how the rest of the relationship will be.
212
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
A poll has found that computer 'nerds' make the best lovers, with 82 percent of IT geeks claiming they put their partner's pleasure above their own.
464
Parents receive 1 out of every 5 Valentines.
20