I understand your point, except for you every match is new. My BJJ coach has similar lessons when I ask 'how do I get out of this position?' and the response is

I understand your point, except for you every match is new. My BJJ coach has similar lessons when I ask 'how do I get out of this position?' and the response is 'don't get in that position'. For an overweight person though, they are not showing up to the gym every day skinny where they can try not to get overweight again. They are starting from the worst position when they decide to start, and that can be very demoralizing. With that said, it does take a certain amount of accepting change will suck and embracing it.