Dolphins have names for one another.
18
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
The desire to squeeze and hug cute things comes from the same place in your brain as aggression.
65
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
Raj from the Big Bang Theory is married to Miss India.
11
Sea otters hold hands while sleeping so they don’t drift away from each other.
104