In a letter shared on Instagram Wednesday, the 23-year-old pop star began by thanking fans for their support.
wrote Bieber, who was recentlybanned from performing in China.
Learning and growing hasnt always been easy but knowing I im not alone has kept me going.
I have let my insecurities get the best of me at times.
i let bitterness, jealously and fear run my life.!!!!
Me taking this time right now is me saying I want to be SUSTAINABLE, Bieber explained.
Bieber receivedsupport from fellow musicians John Mayer and Michael Angelakosin the wake of the news.
Weve lost so many great artists lately.
I give Justin [two thumbs-up emojis] for realizing it was time to call it.
Angelakos, lead singer of Passion Pit, retweeted Mayers message and detailed his own struggles with touring.
Was pretty rough but then my drs and I worked out a relatively manageable balance btwn treatment and touring.
Toured for over two years.