The desire to squeeze and hug cute things comes from the same place in your brain as aggression.
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One litter of kittens can be produced by more than one father.
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Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
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When dragonflies mate, their tails form a love heart.
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Dolphins have names for one another.
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Rex the German Shepherd was a rescue dog with a bad temper. He refused to be fed by humans and would attack strangers, but he’s a changed dog after falling in love with Geraldine the goose!
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A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
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