When you massage someone, the levels of oxytocin go up in the brain, and oxytocin is one of the chemicals that drives attachment.

There's all kinds of reasons that you fall in love with one person rather than another: Timing is important. Proximity is important. Mystery is important. You fall in love with somebody who's somewhat mysterious, in part because mystery elevates dopamine in the brain, probably pushes you over that threshold to fall in love.

Kissing is not just kissing. It is a major escalation or de-escalation point in a powerful process of mate choice.

Any time you choose not to hide your tattoo, you're limiting your social sphere, because they're not popular in big business.

You can really get poked in the back and not feel it very much, but just a feather around your lips and you really do feel it.

There are cognitive processes and limbic reactions associated with basic emotions. And you can change brain chemistry, but you're still not going to change memories and experiences in a human being.

Touch is the mother of the senses. Not only are women more sensitive when they touch, but they're also more sensitive to being touched.