A recent study suggests there is a connection between how long couples live together and the incidence of obesity and obesity-related behaviors. Specifically, women’s chances of becoming obese increase significantly after the first year of cohabitation; men’s chances are highest between the first and second year of shacking up. Possible contributing factors: increased socializing (e.g., lots of food), decrease desire to maintain weight (i.e., why bother?), and extra snuggle time (i.e., decreased physical activity).
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