Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
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
Brain scans show that people who view photos of a beloved experience an activation of the caudate - the part of the brain involving cravings.
103
You burn 26 calories in a one minute kiss.
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A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
10
Sea otters hold hands while sleeping so they don’t drift away from each other.
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