The left ear is more responsive to words of love and emotion whispered into it than the right.
40
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
Historically, sweat has been an active ingredient in perfume and love potions.
309
Couples' personalities converge over time to make partners more and more similar.
235
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12
The average person in their lifetime will spend an estimated 20,160 minutes kissing!
212
In Korea, if you do not receive any gift on Valentine's day then all the singles go to Korean restaurants and eat black noodles to celebrate (or mourn) their single status.
27