Sometimes, you hear about a study that makes you wonder, "Why did a study have to be done on this again?" This time, it turns out that, shockingly, new parents fight more because they are new parents.

In other words, new parents fight more than they did before the birth of their children because they now have new things to fight over, such as the division of childcare duties and the lack of time and attention they once enjoyed for themselves, which is now devoted to the children.

My wife and I actually didn't fight more once we had kids; we were way too tired to add new fights to the list of things we had to do. How about you? Let us know how your kids' arrival affected your relationship on Facebook!