There's no chip on Callaghan's shoulder after the highly-rated midfielder produced a roaring comeback in the Giants' smash-and-grab win over Brisbane at the Gabba.
The 22-year-old missed three games after dislocating his right shoulder in the Giants' round-10 loss to Fremantle.
Callaghan was hurt in an innocuous collision with Dockers forward Patrick Voss in a marking contest at the three-quarter-time siren.
Voss walked off unscathed, while Callaghan - whose opposing left shoulder was already taped up - played the final quarter in clear discomfort.
"That's going to happen more in my career, I'm sure," Callaghan said.
"A little bit unlucky, you could say, but we were both just trying to go for the ball, and sometimes these things happen.
"I made sure I did everything I could so I could recover as quick as possible.
"I really wanted to be back out there playing. I hate missing games of footy."
He showed no signs of rust on return against the reigning premiers, clocking 32 disposals and five clearances in their semi-final rematch.
"We were certainly really fired up for the game against Brisbane," Callaghan said.
"After a few inconsistent weeks, it built up to be a really big game, one that we wanted to put our best foot forward and play well.
"It was good to be back out there playing, certainly better than watching on the couch."
GWS will look to post back-to-back wins when they host Gold Coast on Sunday, in what shapes as the biggest edition of the so-called Expansion Cup between the league's youngest franchises.
The Giants are seventh (8-6), while the Suns have dropped to sixth (8-4) after two straight losses.
"I hope we're both playing finals. There's still a fair few games to go before we can say that's going to happen but they're certainly in great form," Callaghan said.
"I feel like we're both on similar trajectories this season and it's going to be an exciting match-up."
GWS could recall stars Toby Greene (glute) and Jake Stringer (hamstring) for this weekend's clash.
But the club's injury woes continue, with All-Australian defender Sam Taylor out for a month after fracturing a toe and small forward Brent Daniels succumbing to another abdominal issue.
Callaghan won't despair, saying he is relishing his role as an emerging leader.
"I feel like certainly I've taken some extra responsibility," Callaghan said.
"I'm here for the next four years, that probably gives the boys some confidence, but I want to make the next four years as good as it can be for myself.
"I want to win, so I feel like it all stems from there."
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