There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
According to the New York Times, a study conducted during the 1980's found that men who kiss their wives before leaving for work live longer, get into fewer car accidents, and have a higher income than married men who don't.
14
One in five long-term love relationships began with one or both partners being involved with others.
177
Wearing red increases attraction.
30
Women rate men more attractive if other women are looking and smiling at him.
17
Yawns are more contagious among people with closer relationships.
163
A man is more likely to get a woman's phone number if he is accompanied by a dog.
20