A man's beard grows fastest when he anticipates sex.
239
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
Wearing red increases attraction.
30
Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39
Erotomania is a type of delusion in which the person believes another person is in love with him/her.
38
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