Don't Overdose Locally Beneficial Changes

[Alternative title: apply Dakka incrementally and carefully.] If you are very overweight, then you should aim to cut down your daily caloric intake. This doesn't mean your optimal daily caloric intake is 100kcal. If you are very underweight, then you should aim to ramp up your daily caloric intake. This doesn't mean your optimal daily caloric intake is 10,000kcal. In general, if something is good to do some amount in some context, this doesn't mean that you should go as all-in on it as you can possibly manage.