Whether they are high and mighty or ordinary folk, humans can find it hard to be faithful to one partner for a lifetime. Studies show that many reasons may contribute to why people cheat, including education level, income and religious background. While certain patterns exist, the fact may be that the reasons for infidelity are as varied as relationships themselves. Animal Instinct Researchers sometimes say that being with a single partner for life may not be a natural condition for humans. Many mammals, after all, have multiple partners throughout life as a way to spread their DNA a...
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