So much of this game is mental. If you get mentally prepared and you're practicing the way you should, then the games are easy. It's just a mind-set. Work hard in practice and the game becomes easy.
It's a long training camp. It's just one day. You can't go off one day. It's what you do in practice as well. It may not be a game that determines it. It could be practice habits. It could be anything.