http://humorfeed.com/story.php?title=the-real-reason-why-you-absolutely-must-cover-your-mouth-when-you-yawn I'll lay it down for you real quick: the secret reason why you need to cover your mouth when you yawn is a spooky, ghoulish man named Poppin' Pete. Mon, 06 Mar 2017 23:14:06 UTC en