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Coupling up tends to add pounds. But it doesn't have to.
Financial infidelity can ruin a marriage, but it doesn't have to.
Health behaviors spread from friend to friend, studies show. How to harness the phenomenon.
Healthy behavior has cascade effect, but trend marginalizes those who keep smoking
Survey finds that women who make more money than their husbands find "gap" in their marriages.
Dr. Margaret Mead, discusses the changed pattern of American home life.
Q&A with Nigel Nicholson, coauthor of Family Wars.