Hatton's not done yet. I think a step up in weight will lower his KO ratio, but restore his confidence. Forbes is a great opponent to see what he has left at this juncture. He may very well be shot, but I doubt it.
He still has a punch. He just can't get outta the way of a lot of the ones coming in. If his hearts not in it we will surely find out, as Forbes bring consistent pressure through the round in a fight. An under-trained-Pub-Happy hatton will be quickly identified.