How husbands and wives try to find a balance between beauty and status – new research

The idea of a “trophy” wife or husband may not sound like a very romantic basis for marriage. It implies one half of a couple brings physical attractiveness to a relationship, while the other half brings status and money.

But the lack of romance in this idea does not mean that attractiveness and wealth don’t both play a part in many real relationships. Sociologists call it “beauty-status exchange”, and it has traditionally reflected the gendered idea that men prioritise physical attractiveness in the search for a spouse, while women opt for wealth or earning potential.

While it might seem like an old-fashioned concept, my research suggests that, after marriage, some heterosexual couples still try to find a balance between money and attractiveness – but now it may be common for this to affect both sexes in more similar ways.

I found that increases in one spouse’s share of household income were strongly linked to reductions in the other spouse’s body mass index (BMI). It appeared that when the share of household income earned by the wives in my sample rose, their husbands tended to exercise more and slim down.

And when the husbands’ income share rose, their wives tended........

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