Intelligent men tend to be more sexually faithful.
31
Wearing red increases attraction.
30
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
40% of people who are rejected in romantic love slip into clinical depression.
72
8 out of 10 people think that the first kiss indicates how the rest of the relationship will be.
212
Historically, sweat has been an active ingredient in perfume and love potions.
309