Does your DH make similarly disparaging remarks to your children? Grandchildren? I know of 3 older men who make similar remarks. Do they think it is funny? A dry sense of humour? These 3 are/were actually quite unpleasant people. And for one it probably was a sign of the onset of dementia. I think, now I am in my 70s, I would reply"you really are unpleasant" every time. Don't get upset just matter of fact. As that is the fact. He is. Unlike the post above he doesn't sound like a kind caring man. Treat yourself to some nice treats. Be kind to you and forget age.
AIBU to wish toilet cubicles were a decent size.

