Manchester United boss Jose Mourinho says family and his unhappiness drove his decision to leave Real Madrid in 2013.
Mourinho, speaking with Telefoot, admits he'd grown tired of the job in its third season.
He explained: "My decision to leave Real Madrid?
"My daughter was going to study at the University of London, and we wanted to keep the family together. It was also a personal decision, because for me it is important to be happy, my best results in football are made on this condition.
"And during this third year in Madrid, I was not happy."