Justin Bieber thinks "people get bored" of listening to his songs after a while.
The 18-year-old Beauty and a Beat singer has millions of fans worldwide.
Although Justin doesn't question whether these "Beliebers" are devoted to his music, the star is convinced that he has to produce new work regularly to keep their attention.
"People get bored. Everything is so accessible that they get sick of things," he told Style magazine.
"A new song gets old quickly, because fans can go on the internet and watch it so many times in a row. You have to be creative fast."
Justin sees this is an opportunity to challenge himself each time he creates new tracks.
The musician feels like he has matured exponentially since his 2010 debut album My World 2.0.
"If I stayed doing the music I did on my last album, they'd get bored," he explained. "They've already had that. I just have to give more and more."
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