The Portuguese tactician spoke to Sky Sports and indicated that perhaps a mooted move back to Stamford Bridge could still be on the cards.
"I don't know. I love Chelsea,” he told Revista De La Liga when asked if he would remain in Madrid.
"I was the happiest man [when there]. I was thinking to be there all my life and a few months later, I was out. So you never know.
"In Inter Milan I found an incredible family. Then after two years I felt it was over.
"When I sign a contract, I sign with the intention to respect the contract and be happy."