chemistry.com

There are lots of reasons people cheat. Some people want to get caught, so they can patch up a marriage; other people do it get out of a marriage. Some seek attention. Some want to feel more attractive. Some just want more sex. Others crave drama or danger. A few are looking for revenge. Many more want to prove that they're still young. But it's worth noting that cheating is universal. I've looked at adultery in 42 societies and found it in every one. So I suspect there are some biological underpinnings to cheating.続きを読む

Any love that is forbidden makes it more enticing. The brain's reward system is triggered when you want something. And if the reward is delayed in coming, the reward system just keeps firing impulses--driving you to work harder to get what you can't yet attain. But the office happens to be a particularly efficient petri dish for passion. It's neutral territory. You and your office colleagues share similar schedules, similar business goals, have similar stresses, tell similar jokes and often spend time together far from family and friends.続きを読む

No, it really isn't possible to be "in love" with two people at once. One of the primary traits of romantic love is that it's focused on just one person at a time. There is biology to this. We scanned the brains of a group of people madly in love in search of the brain circuitry of romantic love. We found some of it. A main area that becomes active is exactly the same brain region that becomes active when you feel the rush of cocaine. And this brain region produces dopamine, a natural stimulant that gives you intense focus, as well as energy, euphoria, mood swings, craving and motivation.続きを読む