It's scary when trying to change yourself. You're afraid of losing who you are, which you might no even be sure of in the first place, to become something you are not. Then again, when we don't know who we are, we don't know who we are not, and thus may find ourselves in the change. Yet people fear change because the familiar has already been dealt with.
It's a curious thing, really, because change is constant in an ever-changing world of few constants. Yet we only this moment. The moments before have passed, and moments ahead are uncertain. So, then, I guess a few songs come to mind in this regard, but I'll post this one:
[video=youtube;SWArhq3FUEY]http://www.youtube.com/watch?v=SWArhq3FUEY[/video]