A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
10
Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
26
Raj from the Big Bang Theory is married to Miss India.
11
Dolphins have names for one another.
18
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