I can never remember a lot of those "X or Y" rules in grammar/English. Fewer or less, whom or who, etc. Might be my own ignorance, might be my teachers growing

I can never remember a lot of those "X or Y" rules in grammar/English. Fewer or less, whom or who, etc. Might be my own ignorance, might be my teachers growing up using trainwrecks like "yous" and "alls."