Obvious as the advice might sound, one of the best ways to keep an affair at bay is "Be Nice and Listen"—a simple practice for maintaining a respectful relationship that's often hard to do.
"In my conversations with men and women who have had affairs, the number one reason for pursuing the affair was this: 'She listened to me. I mattered to him,'" reports Beliefnet, which compiled the list.
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Aside from tips on how to stay out of cheating-friendly situations, the advice offered applies to all couples. The author recommends each spouse nurturing a creative outlet of his/her own, having regularly scheduled tech- and child-free dates, and maintaining supportive friendships with like-minded couples or individuals.
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The overarching theme is: if you're bored or unfulfilled personally, your relationship will likely have a harder time flourishing. Oh, and, don't start sticky conversations in places where stress is already present, such as long car rides.
Read the full list here.