When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
The average person in their lifetime will spend an estimated 20,160 minutes kissing!
212
Historically, sweat has been an active ingredient in perfume and love potions.
309
In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
4
When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
130
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34