Why does sex make us happy?

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The act of sex makes us feel good, but that might be because of the bond it creates. Psychologists from Canada and Switzerland have found that the main reason more sex seems to contribute to greater long-term happiness is because of all the cuddling and affection surrounding the sexual act itself. Anik Debrot, one author of the study, joins Claudia to discuss why affectionate cuddling is key to why sex makes us feel happier. Photo: Couple embracing Credit: Getty Images