Valentine's Day is the perfect time to tell you partner you love them. Did you know, however, that how you act the rest of the year can have an impact on your partner's health? For instance, Bev recently told us that a spouse's personality can have an effect on how well you recover from surgery. And Adams shared a study with us that found that fighting (or sharing your feelings, at least) in a marriage can prolong your life.

In that vein, Forbes recently put into pictures several ways to help your spouse live longer. Studies have found that when one spouse kicks a bad habit, like smoking or binging on Doritos every night in front of the TV, the other is more likely to follow suit. Another study found that when one spouse is healthy, the other is more likely to be in good health as well. Finally, when one spouse is obese, the other's chance of obesity goes up 37%.

Oh, and men? Researchers found a nearly instant decrease in the flight or fight response among women when they held their husband's hand. Such a simple gesture, really.

So go ahead and buy those roses, but if you think of your spouse's health the rest of the year, you just might have them around a little while longer.

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