How Do You Know if You've Lost It?

It's very difficult to think about er structures of the mind. Sothe spatial metaphors. Don't we about big mind and holding everything and so on? And they'r vel up to a point, as long as we realize thetr metaphors an. The issue about where do we register feeling tone is intriguing but funly enough, it's not necessary to know this. In other words, we don't actually know. It's just a sense in a sort of body mind complex as you wish, as you will. So there are a couple more shorter questions here. Mark, what about the things that deplete you, that you can't give up?