According a study done by the University of Southern California, when you hit the three-year point in a marriage, that's when troubles start.

The researches say when two people move in together, they start to lose touch with their family and friends. Kelly Musick, Ph.D., the author of the study, says married couples tend to focus all of their "happiness and misery on their spouses, which can strain relationships after time."

Suggestions to help avoid marital problems? Spend, at least, one night apart from each other. Do something that you enjoy doing, and do it alone.

Do you agree with this? Is it exactly three years and the problems start to begin?

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