Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
Sea otters hold hands while sleeping so they don’t drift away from each other.
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Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
Baby rabbits are called kittens.
6
A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
10