According to research published by the University of Queensland in Australia, people in relationships record higher BMIs than their single counterparts.
Astonishingly, reporters found that, "couples tend to have a healthier diet, smoke less and consume less alcohol compared to singles."
Their answer? Researchers suggest that while couples eat better food, they often eat significantly more leading to weight gain.
"Marriage and cohabiting also carry the potential for encouraging unhealthy behaviours, as couples often perform behaviours like eating, watching TV, and drinking alcohol together," state the findings.
"Whilst family meals may include more healthy foods such as fruits and vegetables and less fast food, people often consume larger portion sizes and more calories in the company of others than they do alone."
Kids don't help either. The study found that having children can cause parents to partake in any nibbling on sweets.
Finally, researchers suggest that married people care less about attracting a partner (otherwise known as the "marriage-market theory").
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