Nagging—the interaction in which one person repeatedly makes a request, the other person repeatedly ignores it and both become increasingly annoyed—is an issue every couple will grapple with at some point. While the word itself can provoke chuckles and eye-rolling, the dynamic can potentially be as dangerous to a marriage as adultery or bad finances. Experts say it is exactly the type of toxic communication that can eventually sink a relationship.

To print ("ctrl+" first!) and to stick all over the walls of your love nest. Repeat until wall space ends.