You're right Taso. It's just, when someone leans to extremes the
  process of getting back to the middle can take days, months,
  years of continual trial and error. Most dieters take many years
  to GAIN all that weight and then take years to get it off again,
  if at all. To find the middle - well, if someone has never KNOWN
  the middle, they don't know even how when they're arrived. "