You have to run/march many miles and do lots of physical training. But that's not bad. She'd get to travel to your base if you were married, but I don't know about girlfriends. If you're married I believe you get a housing allowance and get to live with her. Depending on what service you join you'll be based in different areas. Marines=hawaii a lot of times, haha. So if you like hawaii there you go. Air force, yea ...you might be able to get that air force base. So in conclusion, if you want to stay with her (and can stomach it) marrying her is about the only way you'll get the housing paid for .