Also known as the love hormone, oxytocin reduces stress and increases feelings of closeness and trust between people. Oxytocin is released after orgasm, and also makes you feel closer to the one youre with. In other words, regular sex may make it less likely youll want to cheat.

Does love change after sex?

A Third Of Relationships Lasted Less Than Six Months After The First Time A Couple Had Sex. According to the study, about a third of people broke up before they could reach the six-month mark. People under 25 were more likely to end their relationships much quicker.

Why do guys sleep after sex?

According to health experts, as soon as a man reaches orgasm, his body chemistry changes. This happens when the biochemical prolactin is released, it makes him tired and he tends to sleep after an intimate session.