Schurrle admits English football has taken some getting used to, yet is confident he can now make the difference when it counts.
He said: "I feel really good here. Even when I spent two months not playing as much, it was good for me because I learned a lot. I'm still learning, which is great, because I'm a young player who has come to another country.
"It was never going to be easy but I feel really good. I have friends here, I've got to know some really nice people and the club is amazing. I feel stronger than one year ago, that's for sure.
"Coming to Chelsea has changed me a lot. I am involved in a lot more duels - I have to use my body a lot more and I also make a lot of sliding tackles. In Germany I had this kind of duel maybe once a match. Here in England it is all the time - more like once a minute.
"You have to be strong all of the time. In Germany I was playing another kind of football so when I came here, I had to change. It's a process that takes time and I'm not finished yet."
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