The Argentina striker is being linked with a move to Real Madrid.
"I'm very happy at City, very happy since the day I came," he told the Guardian. "I knew that the project was good and in my head there is nothing else but Manchester City, so how long I'm going to be at City is just never a question.
"I'm happy here, my family's here when they come to England, all I can do is give everything I have for the club and concentrate on achieving for the club. We are improving every year the team, the club, the club is growing, we are working in the same direction to get the club as high as possible. Some years are better than others, but it's a much better club, a much better team than it was four or five years ago, so we just have to go [continue] in the same way."
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