At Napoli and still burning out in first rounds in European competitions, still talking brick about his employers.
His ego thinks he should be managing Real/Barca/City/Bayern, jobs he won't get.
Edit: To be clear, I still think he's a good football manager, but Spurs was a reality check for him, his volatility limits his appeal and the Napoli gig was a rebuild. His peak of Juve/Chelsea is gone