>>281498457
I kind of feel the opposite with how for the past 20 years he's sort of preserved his health with all the breaks instead of burning himself out on a weekly grind. Drawing is a strenuous activity if you're doing it 16 hours a day but I think you could realistically keep doing it past the age of 75 for an hour or two or three every day or two or three aslong as you don't get too feeble to even hold a pencil