Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
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Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12
Some British police cars carry a teddy bear to console children after an accident.
46
Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
26
When cats are happy, they may squeeze their eyes shut.
10