I owed Lewis one thing at least. Once you had suffered the experience of presenting a case at one of his Monday morning conferences no other public appearance whether on radio TV or the lecture platform could hold any terrors for you.
I hear that 5 o'clock whistle in my mind like Fred Flintstone and I have to stop. I'm also not much of a morning writer. I have a sweet spot from about 11am to 4pm. But I really work during that time.