Is Nagging a Marriage Killer?

Wall Street Journal (via Newsalert):

It's More Common Than Adultery and Potentially As Toxic, So Why Is It So Hard to Stop Nagging?...

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.