I used to exercise hours per day, do 50-60 mile thru hikes, etc. And my best fitness was achieved simply from changing my diet, reducing my weight, and 30min of

I used to exercise hours per day, do 50-60 mile thru hikes, etc. And my best fitness was achieved simply from changing my diet, reducing my weight, and 30min of body weight training (pullups, pushups, ...) per day.