I think there are a whole group of people around my age (40) who didn't 'do' grammar in school. I know I didn't, and I don't think it was just that I was 'off that week' because nobody else did it either. This is despite doing A level English. I've always had a thing for !!! (I'm a pisces, we do melodrama!!!), ??? and ... I've developed a thing for ' ', always liked " " (although I apparently did once have a nightmare as a child where I sleepwalked screaming that my "66s and 99s are upside down" and I've developed a big thing for -hyphens- recently (it must be catching) as well as my more usual brackets. I proudly know my your from my you're, but I can't see myself ever going for semi colons. It sounds too bowel-ey. (I also have a thing for creating words) and I don't really know what they mean... Best of luck with the book, I can't wait...