Mar 4, 2021 Raising a family is certainly stressful, and all that stress can cause problems in a couple’s relationship. Well, one couple was dealing with exactly those issues, but has seemingly overcome them thanks to adopting what’s called the "3x3 rule," and it sounds like they highly recommend it. A woman shares on Kidspot that she and her husband were having some issues, which came to a head when the husband decided to take a three-hour nap while the kids were awake. This lead to an argument in which the husband suggested they try out the “3x3” rule that his friend, who had seen a marriage counselor, told him about.