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
There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12
Studies show that the risk of a “secret love” being revealed heightens romantic feelings for the partners, thanks to increased levels of phenylethylamine (PEA).
99
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
The average person will go on a date at least 100 times before they finally marry.
33
Erotomania is a type of delusion in which the person believes another person is in love with him/her.
38
Parents receive 1 out of every 5 Valentines.
20
A man's beard grows fastest when he anticipates sex.
239