Yawns are more contagious among people with closer relationships.
163
There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12
A man is more likely to get a woman's phone number if he is accompanied by a dog.
20
Men fall in love faster than women do.
32
Wearing red increases attraction.
30
40% of people who are rejected in romantic love slip into clinical depression.
72
Raj from the Big Bang Theory is married to Miss India.
11