Popsugar Family Parenting Humor Funny Math Parenting Tweets These Hilarious Tweets Expertly Explain the "Math of Parenting" July 26, 2016 by Alessia Santoro View On One Page Photo 39 of 45 ADVERTISEMENT () Start Slideshow 90 percent of parenting young children is just lifting heavy shit.— Emily McCombs (@msemilymccombs) December 19, 2012 Share This Link Copy ← Use Arrow Keys → 39 Previous Next Start Slideshow Parenting HumorParentingTwitterHumor