Intelligent men tend to be more sexually faithful.
31
There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12
In 2012, a Chinese man named Xiao Fan had a dress made out of 9,999 red roses for his girlfriend and then proposed - 9 in China means forever
16
Men fall in love faster than women do.
32
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
8 out of 10 people think that the first kiss indicates how the rest of the relationship will be.
212
People are more likely to tilt their heads to the right when kissing instead of the left (65 percent of people go to the right!)
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