The star was worried he was influencing the wrong people with his music, reported Digital Spy.
"You can have the platinum album, but when you still feel like you haven't quite found your place in the world - it kind of gives a crazy offset."
He said he woke up screaming one night because he was homesick.
"What was the feeling? The feeling was missing home. The feeling was, 'How am I influencing so many people on this stage rather than influencing the ones that I have back home?'