Jennifer Ludden, NPR Health Blog, 12/8/2011
Not surprisingly, the report finds sexual satisfaction and a sense of commitment top the list of traits that lead husbands and wives to say they are "very happy" in marriage. No. 3 is "generosity" ... Further down the list: shared housework. That's right, both mothers and fathers are more likely to report they are "very happy" when housework is "shared equally." So presumably, asking your husband to do the laundry (or your wife to change the light bulb) can be good for your marriage. Though harking back to generosity, perhaps it's better if each volunteers to take on the task. The survey is a joint project of the National Marriage Project and the Institute for American Values, conservative groups that promote marriage.