When cats are happy, they may squeeze their eyes shut.
10
A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
10
Baks the blind boxer has a seeing eye goose named Buttons; a four-year-old goose who leads the pup around everywhere either by hanging onto him with her neck, or by honking to tell him which way to go.
16
Dolphins have names for one another.
18
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
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