No Snacks, no sweets, no seconds. Except on Days that start with S. Too simple for you? Simple is why it works. Look here for questions, introductions, support, success stories.
Yes, it does fit on a plate -- along with the contents of a bag of chips. Speaking from experience here....
"That which we persist in doing becomes easier for us to do. Not that the nature of the thing itself has changed but our power to do it is increased." -- Ralph Waldo Emerson
"You are what you eat -- so don't be Fast, Easy, Cheap or Fake."
Be careful about what kind of foot-long sub you get -- the nutritional difference between, say, the chicken-bacon-ranch and the turkey-no-cheese is just incredible!