Most Helpful Guy
You said he is quite a few years older but now it is 1 to 3 years older? Something isn't adding up.
This isn't going to work. I am assuming he isn't a citizen of your country which means he can't just live there. And you can't live there.
You can pretend to have a long distance thing but I guarantee you that at 18 or 19 years old he will be on a girl hunt the whole time.