Luiz secured a £21.3 million move from Benfica to the west-Londoners during the January transfer window and joined new signing Fernando Torres in a Blues side that finish second in the Barclays Premier League.
And Luiz, who has already become a firm favourite with the Stamford Bridge faithful, says that he relished the challenge of adapting to English football upon his arrival.
"I enjoyed coming here in the middle of the season and enjoyed as much as I played," he said. Every day I'm learning more and more about Chelsea, about English football and about England.
"I arrived here and thank god that I had the opportunity to play straight away and show what I can give to the team.
"A lot of good things have happened to me that has helped my confidence a lot and have helped me to develop as a footballer so this half season felt like a whole season to me,” added Luiz.
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