When I started with Greg, I would do the exercises prescribed for 10-15min then proceed to normal stuff, playing my old ‘pinch, press and pray’ way. I was gigging too, so even got to a point where I was playing two ways. The new MM way until I tired, then the old PPP way to finish the gig. Once the habits became ingrained, I then could play the entire gig and be fresh for another set most times. No more icing chops afterwards!