"Right now, I may not be scoring many goals, but I believe goals can come at any time," he said.
He remains confident in his technical capabilities.
"The ability I have does not just disappear overnight, does it?" Son said.
In separate media availability, Son reiterated his excitement for the upcoming tournament during an interview with MLS.
"It's a great feeling.
When you're talking about the World Cup, as a soccer player, as a footballer, it's like a dream," Son told reporters on Friday.
He added that his perspective on the tournament remains unchanged since his debut in 2014.
"It doesn't matter how many World Cups you've played or how many you've experienced. The World Cup is like a dream.
I feel like I'm a little child looking forward to representing this amazing country," Son said.
Son currently has 54 international goals in 143 caps, placing him four goals behind Cha Bum-Kun's all-time national record of 58.
"It takes a lot of responsibility, but it's a huge honor for that, and I just want to have fun and make this tournament like a festival," the Taegeuk Warriors' captain said.
He highlighted the collective effort required from athletes ahead of the competition.
"Everybody's waiting for four years. As athletes, we're working for four years for this amazing tournament.
We want to have fun, have great, great results, and an amazing tournament," Son said.
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Son reflected further on his experiences playing against Mexican club opposition in the Concacaf Champions Cup with LAFC.
