The sense of self and well-being depend on mechanical and chemical information from the body's organs.

“So when you think about your sense of self and your ability to understand what's going on in your body, if you feel good or if you feel bad, your sense of self is dependent on these mechanical phenomenon and these chemical phenomenon. If your gut is full or empty, whether or not your heart is beating fast or beating slowly, that's mechanical. and chemical information whether or not your gut feels nice and whether you know when I say nice I mean whether or not it has a balance of acidity and alkalinity that feels right to you or whether or not your gut feels off. It doesn't feel quite right. That's chemical information.”