I think I'm thinking of how O'Toole looked about 4 years ago. Which was still very, I don't know, um, firm looking, imo. Even then though yeah, he wasn't aging as freakishly well as say, Sean Connery. He didn't really look younger than his age, just still so strong-faced.
But anyway, yeah, I recall now that at the last Oscars I thought he looked really frail.