Selena Gomez and Justin Bieber arrive at the 2011 American Music Awards at Nokia Theatre L.A. Live on November 20, 2011 in Los Angeles, California. (Photo by Steve Granitz/WireImage) Justin Bieber is staying single because he is still dealing with a broken heart. The troubled pop star split from his on/off girlfriend Selena Gomez last year, and Bieber has now admitted he is not ready to dive into another relationship as he is yet to bounce back from the heartbreak. In an interview with Australian radio’s The Kyle & Jackie O show, Bieber, says, “I went through a period of trying to figure some stuff out… I haven’t been in