Couples' personalities converge over time to make partners more and more similar.
235
Parents receive 1 out of every 5 Valentines.
20
Sea otters hold hands while sleeping so they don’t drift away from each other.
104
Speed dating was invented by a Rabbi in 1999.
45
In medieval Italy, if a man was caught kissing a woman in public, he had to marry her whether he liked it or not.
456
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
8 out of 10 people think that the first kiss indicates how the rest of the relationship will be.
212