The single biggest predictor of love is proximity.
30
Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39
When dragonflies mate, their tails form a love heart.
22
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
The average person will go on a date at least 100 times before they finally marry.
33
When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
130
The typical person spends about 600 hours having sex between the ages of 20 and 70.
234