The cancer diagnosis for Michael Buble’s oldest kid “changed what mattered to me,” the singer has admitted.

At the age of three, Noah, the son of the “Sway” singer, was given a liver cancer diagnosis

After receiving treatment, Noah, who is now nine, received the all-clear the following year.

That, of course, altered me in a huge way, it changed what mattered to me, it changed how I saw life, stated Buble in a recent interview with Red magazine.

“I’d become my alter ego for most of my life as an artist, especially on stage.”

I’d become the superhero I’ve always wanted to be, he continued. I lost that alter ego after my wife and I went through this horrible experience.

Once Noah’s cancer treatment was over, a Canadian artist wrote a song titled “Forever Now” about his kids.

After Noah was diagnosed, Buble and his wife, Luisana Lopilato, resigned their jobs and relocated to Vancouver so that Noah could be near her family while receiving treatment.

While his son’s cancer treatment was “so horrific and scary,” he continued, he “felt like I could do anything” in terms of setting a new record.

In an interview with the publication, Buble shared his delight about returning to work and getting ready for his upcoming UK stadium tour in March.

He declared, “I believe this is the best show I’ve ever done.

“I want to be a unifier without ever preaching. More than only song-singing or joke-telling are involved. I genuinely strive to bring people together and pull them up, especially given the circumstances we’re in.

Elias, Vida, and Cielo are also children of Buble and Lopilato, who have been married since 2011.

More than anything, my wife and I recognize that each other’s fulfillment is crucial, the singer stated of his marriage.

Nobody is flawless, but we both understand that I’m not suggesting we are.

“She’ll be filming a movie, so I won’t be on the road for a few months of next year. I’ll be her dad on set, and she’ll do the same for me.

We just want to be together, no matter what we do, he continued.