"I would like to think the contract is a measure of how I have taken to a different culture and style of play.
"My English is coming along - better, than Cristiano's - and this is where I want to be for a long time.
Vidic recalls his slow start at United:
"I couldn't do a thing right.
"I couldn't control the ball, and I couldn't pass it ten yards.
"I got angry, shouting at myself and calling myself names for making such stupid and basic mistakes.
"What he thought after paying all that money for me, I couldn't imagine.
"Once I stopped being anxious, I began to adapt to the English game."