Mourinho returned to Chelsea two seasons ago having left the club in 2007 after falling out with Russian oligarch Abramovich.
The Blues boss won the Premier League title and the Capital One Cup last season having come third in his first season back in the Premier League.
And Mourinho believes a key difference to his position now is a better working relationship with the Chelsea owner.
"In my first period, my personal relationship (with Abramovich) was very good (but) professionally we had some interferences and a bit of a disagreement with some ideas," Mourinho told Sky Sports.
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Jose Mourinho watches Chelsea lose 1-0 to Arsenal at Wembley
"In this moment we don't have this problem. When I left Real Madrid to come here, Mr Abramovich asked me to fight for titles.
"In my first season we were almost there, in my second season we did it and in my third season if you are close, you can always do it."
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