The midfielder said: "The last few months of last season didn't really help my playing career.
"But now I'm enjoying myself and it's a new beginning for me.
"The day I signed for Birmingham was the best thing that happened to me.
"Stoke were a difficult team to play against with their route-one football which made it seem like being back in the Scottish Premier. I got a few bangs on the head, which is why I said it was like being back up in Scotland."