Mourinho was quizzed about his return to Stamford Bridge and why he chose to return to a club from which he left after a breakdown in his relationship with own Roman Abramovic.
"One of the good things of my career has given me the ability to choose where I wanted to go. I know where my family like to be and are happy. Chelsea was my first love outside of my country and a special place for me. This new Chelsea profile was important to bring me back.
"Mr Abramovich is very sure of what he wants, stability, to meet financial fair play, working completely to the financial fair play rules where to buy you have to sell. We have to work the academy and the project was a real challenge.
"The team in 2004-05 had finished and we have just a couple of players left from then. Chelsea needed to build a team for the next decade and that was great motivation."
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Chelsea find themselves at the summit of the Premier League and are favourites to win the title this season. If they do it would add to the two league titles Mourinho won during his first spell in west London. Yet despite enjoying another successful spell he did not want to draw comparisons between the two teams.
"I refuse to compare a that that won everything with a team that has won nothing," Mourinho said.
"But I think if we have the chance to win then we have the potential to play more beautifully than the other team."
He continued: "The only similarity is the oxygen we breathe in the dressing room and the relationship between the players and the manager and the players and the assistants. After that the profile of the team is completely different. Now we try to control the game by having the ball and having more possession."
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