Peter Attia has adopted a healthier approach to exercise in older age, characterized by always leaving some energy in reserve rather than trying to burn every match every day.

“physically I've transitioned more to that type of a relationship with exercise in my uh older age call it uh My Philosophy used to be the exact opposite right and and maybe there was a bunch of other reasons for that but but it was clearly a sense of every day you had to burn every match that was that was really how I felt about it um and today and I think it's a healthier approach it's I will always leave matches in the matchbox at the end of the workout I'm never gonna burn every single match”