Even on his first goal, he holds his line brilliantly, takes a good touch, doesn't get fazed and finishes perfectly on his right foot. All of these things were weaknesses in previous seasons.
It has been obvious that the issue is mental with him. This whole contract situation seems to have focused him, he's tidy with the ball, composed and no longer getting into petty arguments with defenders or the crowd. Even on his face he looks focused on the game instead of talking to himself.