A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
10
When cats are happy, they may squeeze their eyes shut.
10
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
26
Baby rabbits are called kittens.
6