Kissing an infection-free partner is good for your teeth!
141
In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
4
Men fall in love faster than women do.
32
A man's beard grows fastest when he anticipates sex.
239
Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39
40% of people who are rejected in romantic love slip into clinical depression.
72
Couples' personalities converge over time to make partners more and more similar.
235