"I haven't played my best football. I'm the first to admit that.
"It's a long year ... catching and passing the ball are some of the things that have let me down and they are an easy fix.
"I've been around for a while and in Sydney for a long time, and copped it down there. This is nothing new.
"Just believing in the person you are, and the ability you have and backing yourself — those are the things that get you a long way in this game.
"You have to be honest about performances."
The Warriors had a shocker in last year's Anzac clash, losing 50-10, after being smashed in the first half.
Both Blair and Warriors coach Stephen Kearney suggested they had not switched on quickly enough, after an impressive win over the Dragons in the previous round.
Wing David Fusitu'a has been ruled out with a rib injury, while Blake Green remains a possibility after being sidelined with a groin strain.
Peta Hiku, who played as a half in Saturday's loss to the Cowboys, trained on the right wing.
Solomone Kata (neck) will be available, Sam Lisone (hamstring) is unlikely to be considered, and Ligi Sao (sternum) and Adam Keighran (thigh) are to be assessed.
"Melbourne gave us a lesson [last year]," Blair said. "They always start fast ... we got ambushed a bit."