I am not sure how to credit this article.  It's from the Huffington Post by Rachel M Martin and it's so worth a read.  If you are a mom, have a mom, know a mom...you're wife is a mom - you get the point.  This article is very worth your time. 

http://www.huffingtonpost.com/rachel-m-martin/to-the-tired-mom_b_4104515.html