One in five long-term love relationships began with one or both partners being involved with others.
177
Speed dating was invented by a Rabbi in 1999.
45
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
Wearing red increases attraction.
30
8 out of 10 people think that the first kiss indicates how the rest of the relationship will be.
212
Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104
When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44