"I am not retiring, in fact I am already thinking about next season," he said.
"The euphoria evaporates almost immediately and then I move on.
"It's just something in me, to create that drug again.
"When you win something, the first thing you do the following season is to look at the player's eyes to make sure the hunger is there," he continued.
"And we have players who want to do it again and again, I'm sure of that.
"It will not be easy, defending the European Cup is not easy to do, but I certainly think this team is good enough.
"There are certain players who will improve immeasurably next year."