Puritans don't go for humour, they have iron rods stuck up their backsides, however, if you kick their rods hard enough they often crack a smile every now and then.
Yes, 30 odd years of 'making myself have it' have pretty much messed up my knees, hip and lower back... do I regret it?
Absolutely not... my career choice, my job required me to hammer my body physically to the extremes. I'd do it all again!