Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
26
If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
634
Parents receive 1 out of every 5 Valentines.
20
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
In medieval Italy, if a man was caught kissing a woman in public, he had to marry her whether he liked it or not.
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