Stop trying to cover yourself, if he had the time to message you between that 5 day period then that would mean he isn't busy now wouldn't it?
Chill man. We've already said it all. If you still want it, contact him. If not. Then go look some more.
Plus you are only 17. You are probably living at home, and go to high school and maybe have a part time job.
Gonepostal is 23. Hes moving OUT OF THE COUNTRY. He's obviously damned busy. So relax, not like your in a huge rush man.