Castles 17 and 23 gave me the most trouble, but I've decided that the phrase, "Shooting yourself in the foot," would mean something a lot more dramatic than it does now, if it had developed in the age of the trebuchet.
You're slipping WJG. I remember the day when you would have been in before Dworkin :)
Regrettably, yes. Must be the age thing. Reflexes slowing down, that sort of problem. Dworkin, of course, being immortal and one with the pattern, really doesn't suffer from this.