There's been claims Chelsea's players have failed to handle the pressure of being defending champions this season.
"From the start of the season in every game our mentality was top, was top. Under this aspect, I must be very pleased because I have a group of players who work very well.
"There is always great commitment and great behaviours. But I've said this many times. I'm very happy to be the coach of these players. I'm very pleased, 100%, to work with these players.
"A winning mentality, it doesn't mean you have to win every game. A winning mentality is about the way you prepare the game, your commitment during training sessions, always at 100% and to have good behaviour with your coach, team-mates, fans, the opponents... this is a winning mentality.
"To try in every game to start with one idea, to try and win the game... this is a winning mentality. It doesn't mean you are able to win every game.
"Sometimes the mind can switch off. For example, against Watford, it happened. Not only one player, but the whole team. But we learned a lot in that game."