One in five long-term love relationships began with one or both partners being involved with others.
177
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
Women rate men more attractive if other women are looking and smiling at him.
17
8 out of 10 people think that the first kiss indicates how the rest of the relationship will be.
212
Yawns are more contagious among people with closer relationships.
163
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23