A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
10
The desire to squeeze and hug cute things comes from the same place in your brain as aggression.
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Raj from the Big Bang Theory is married to Miss India.
11
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
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
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13