Add spaces: AtfirstIdidn'tevenrealizeIhadwonit.Iwasn'tthinkingofstakesatthetime.IjustkeptfocusedonthegamefromthemomentIarriveduntilthefinaltable.
At first I didn't even realize I had won it. I wasn't thinking of stakes at the time. I just kept focused on the game from the moment I arrived until the final table.