I set out this morning to stump you... AND I DID IT! Couples with THIS genetic similarity are more likely to stay together.  I apologize for making everyone a little dumber with this one, because this is a supremely silly fact... Click for the answer! -Nic

Photo 131888736 / Arms © Евгений Полишко | Dreamstime.com

<p>I set out this morning to stump you... AND I DID IT! Couples with THIS genetic similarity are more likely to stay together.&nbsp; I apologize for making everyone a little dumber with this one, because this is a supremely silly fact... Click for the answer! -Nic</p>
<p>Photo&nbsp;<a href="https://www.dreamstime.com/rescue-helping-gesture-hands-strong-hold-two-hand-friend-handshake-arms-friendship-friendly-friends-greeting-teamwork-image131888736">131888736</a>&nbsp;/&nbsp;<a href="https://www.dreamstime.com/photos-images/arms.html">Arms</a>&nbsp;&copy;&nbsp;<a href="https://www.dreamstime.com/bodystock69_info">Евгений Полишко</a>&nbsp;|&nbsp;<a href="https://www.dreamstime.com/photos-images/arms.html">Dreamstime.com</a></p>