How do blind people know when to stop wiping?

answer: hang out with someone else or occupy your mind with something else. : )

well say a good goal is to do 150 sit ups in a week! or 90 pull ups a day. even 60 push ups in a month these are all fair goals!

because health skills are tools and strategies and also practical skills are also something you need to learn (like tools and strategies) and put it in reality.