Sportal.co.nz 15.Aug.2012Getty Images
It's only been 10 days since the Super Rugby triumph but Retallick said he came back to Earth pretty quickly after the celebrations and it was back to the grindstone for another campaign.
His meteoric rise will see him contest a starting place in the side with Sam Whitelock and Luke Romano as New Zealand look to rebuild their middle row.
Retallick said since his first selection for the side, in June, it had been 'a hell of a ride' and he hoped it kept going over the next few months.
"The body is holding up well, I have a good plan in place for rehab for niggles and recovery so it is holding up good.
"It's going to be another step up from the June series, probably more faster and a lot more physical than the Irish were.
"They're a pretty physical tight five and they will look to disrupt us at set piece so it is going to be a big challenge up front this weekend."
Retallick hasn't played in Sydney yet but he is looking forward to getting over there and getting amongst it. Preparing for Super Rugby and internationals was not too different, he said.
It was a case of keeping the same routine and building the same each week and putting the performance in on the Saturday, he said.
If anything was left out there was the chance of slipping up and that was reflected in a lesser performance in matches.
He's expecting a faster Test match than what he's experienced so far while there will be plenty of competition in one of his specialist areas, the lineout.
"We always look at opposition lineouts and will look to put a bit of pressure on there. We've done a bit of study and work on it at practice," he said.
"Like the South Africans they look to upset you at set piece so you have to be accurate there 100 percent of the time."