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Socceroos coach Graham Arnold says his critics are irrelevant.
"Who cares? They've never coached," Arnold said after Australia's 1-0 victory against Tunisia at the World Cup in Qatar on Saturday.
"I haven't seen who is critical. But I think some of them have never even been to a World Cup. So I don't listen to them. They have no effect on my life."
Arnold is the first Australian-born coach to lead the Socceroos to a World Cup victory, the first for the Australian national team since 2010.
But he has been stressing the Doha campaign isn't about him, but his nation and its football fans.
"It's a moment they'll remember for the rest of their lives," he said. "I just want them to enjoy.
"That is what I said to the boys before the game: let's put a smile on the nation's face. There's one or two teams that bring the nation together and that's the Socceroos and the Matildas.
"When the Socceroos play at the World Cups, AFL fans, rugby league fans, they will become football fans. I can imagine the celebrations going on back home ... there will be a few hangovers in the morning.
"I won't have one."
Avoiding a sporting hangover is foremost in Arnold's mind.
"When I got the boys in a circle after the game, I told them: 'I'm very proud but we have achieved nothing at the moment'," he said. "We can talk after about a win that hasn't been done for 12 years, but we're here to go as far as we can go.
"That one game is done and I don't want any notion from the players, I don't want them sitting up all night looking at social media and all that stuff.
"It's about sleeping well, recovering well and getting the mindset ready for Denmark."
Australia will play Denmark on Thursday morning, with coverage starting from 1.00am AEDT, live and free on SBS and SBS On Demand.