It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
Couples' personalities converge over time to make partners more and more similar.
235
Historically, sweat has been an active ingredient in perfume and love potions.
309
The average person will go on a date at least 100 times before they finally marry.
33
A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
10
Wearing red increases attraction.
30
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