“There are some players that when you try to squeeze them they answer in the best way. There are other mentalities, and other personalities, and of course the reaction is not the best.
“Other players are brought up in a different way where they have an easier social life, probably an easier coming to the top level of football; everything comes too easy to them.”
Mourinho managed to get the best out of Mesut Ozil in their time together at Real Madrid.
But the German playmaker has struggled under Unai Emery at Arsenal this season and Mourinho believes a balance needs to be struck.