Wouldn't have been healthy for him to shed the weight all off that fast. They're shedding the weight the right way. Gradually over time.
He's definitely had a couple of pics come out recently that really flattered him. Let's hope Frank keeps him busy so by next year he's trim.
There looked to be some airbrushing at work. Like you say, he probably needs to be kept busy to keep his mind right and his physical condition improving.