I'm very opinionated.
I often say to people that producing is the best-paid form of cowardice. When you produce things, you almost always get credit if it's a good record, but you hardly ever get the blame if it's not! You don't really take responsibility for your work.
The reason I don't tour is that I don't know how to front a band. What would I do? I can't really play anything well enough to deal with that situation.
If you are part of a religion that very strongly insists that you believe then to decide not to do that is quite a big hurdle to jump over. You never forget the thought process you went through. It becomes part of your whole intellectual picture.