Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
Yawns are more contagious among people with closer relationships.
163
Wearing red increases attraction.
30
Raj from the Big Bang Theory is married to Miss India.
11
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
Anuptaphobia is the fear of staying single.
11
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
One in five long-term love relationships began with one or both partners being involved with others.
177