CPE is indeed one of the most valuable things you can do for yourself and your ministry. Yourself FIRST so that you can be a better minister. There have been bits that have been wonderful. And the work as a chaplain is absolutely fabulous.
That said, it's also sort of like a forced enema.
And finally to quote one of my colleagues, "I don't want to be any more self-aware right now. I want to be a cat."