20!!!!!

Hey guys, I have a problem; some of you will think am crazy...                       Next week is my birthday and am turning 20. The fact that am turning 20 scares the shit out of me and am not sure why. When I was younger, all I wanted was to be older so I can do whatever I want but now that am getting older, I want to be younger...   Am I the only person who's ever felt this way? How do I come to terms with getting older??????