Do you have a high maintenance partner?

It may be a good sign.

...as a couple ages, a lifetime of closeness rubs up a rash of irritations. Participants in the study, which was presented at the Gerontological Society of America, were asked who in their lives – spouse, children or friends – "gets on my nerves" or "makes too many demands on me." The older the couple, the more likely the answer was "spouse."

Strangely enough, rubbing each other the wrong way might be the right way to conduct a marriage. One of the reasons couples quarrel is that they are closer and more comfortable with each other. As we age, the researchers concluded, "It could be that we're more able to express ourselves to each other."