JM Would be mad to leave. This is the smallest pressure big club in the world. Its hard to find a club as good as this one in terms of money and facilities available without the season on season pressure or even game on game pressure to win.
I think he will be here for 5 years at least. Levy is a long term guy and I think they have already hit it off. Both clever guys.
Levy is not long term if results are bad and fans start getting on his back. He doesn't care about sacking any manager if he feels it's the best decision at the time.