Justin Bieber want to seem more mature because of Selena Gomez?

Justin Bieber has a romance with Selena Gomez, that she is 18, is a year and some months older than Bieber, 17 years.
Selena had affairs with other stars like Nick Jonas and TaylorLautner, and both are more mature in physical appearance Justin.The Canadian came to want the same personal trainer for Taylor,who also had the same physical structure it before it getsturbocharged, after working out a lot.
According to Now Magazine, Bieber was obsessed with having amore mature body, all to please his girlfriend, Selena Gomez.Bieber recently revealed that he'd let his mustache grow, anothersign that he wants to leave aside the face of a boy.