Don't beat yourself up - just start working on his training. First, is his potty set-up at your GF's house the same as at home? If not, it should be. Rather than just let him out, you should take him out to be sure he is doing all of his business then praise and reward him. And is there a good reason he's not getting many walks or you can't get up at 6 to take him out? I think you need to just bite the bulllet, and dedicate the time and patience needed to train him. The payoff is well worth it. Simply putting him in a crate is not the answer and is not fair to him.
__________________ "The little furry buggers are just deep, deep wells you throw all your emotions into." ~ Bruce Schimmel   |