Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
In Korea, there's a man named Lee Jin-gyu who fell in love and married his life-sized Japanese body pillow (called a "dakimakura").
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The left ear is more responsive to words of love and emotion whispered into it than the right.
40
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44