Chelsea striker Andriy Shevchenko insists he has finally adapted to the Premiership and is happy with his current form.
The 30-year-old Ukrainian was criticised for a succession of lack-lustre displays for the Blues following his £30million summer switch from AC Milan but a run of five goals in nine matches has improved the striker's mood.
He told Radio Italia: "At the beginning it was difficult. I had to change the way I played, adapt to English football. I believe it's normal to have a period of adjustment.
"I arrived at Chelsea following a difficult season for me with injuries and a World Cup behind me, but I have now overcome that difficult time."
Shevchenko scored in the Champions League last 16 first leg draw at FC Porto and is looking forward to the return leg in London.
He added: "With Mourinho, things are going well. We have the quality to win the Champions League.
"Against FC Porto, it will be a very delicate and difficult game because they are a good side. But we took home a positive result and now we have very good chance of doing well."