Couples' personalities converge over time to make partners more and more similar.
235
Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39
One in five long-term love relationships began with one or both partners being involved with others.
177
Sea otters hold hands while sleeping so they don’t drift away from each other.
104
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
4
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
40% of people who are rejected in romantic love slip into clinical depression.
72