He is 5 months old and is a great dog...he listens so well, and he picks up on things very quickly. He doesn't bite or nip, doesn't even jump on people.
Be prepared for this to change. It may not, but many new dogs go through a "honeymoon period" where they seem like perfect angels to us. Most of them get through it after a few weeks and start acting like real dogs again, which includes jumping, biting, and all sorts of other doggy things like barking and chewing.
But his potty training just doesn't seem to be working, and its killing me...every time I think hes got it, he pees in the house. I don't know where im going wrong.
It takes in and out dedication for several continuous weeks before house training is achieved. Even a dog who was already house trained often needs a refresher for the first week or two in a new place. A new puppy who has not been house trained previously you will likely have to work closely with for a few weeks before you start to see any big progress. Supervision is key here, he should not be out of your sight at all, keep him on leash if needed. When you need a break, use his crate. Crates should not be used for more than a couple of hours at a time. Exercise pens and/or baby gates can be good alternatives for when you need to leave him for a bit longer.
He also can't handle being away from me, and its not good. I have been skipping all my classes and work this week to make sure he is ok, but I don't know how he will do next week when reality strikes and I have to go back to work and class. He will never be alone for more than 4 hours, but I still can't help but worry. Will he get used to it? I'm going to keep him outside rather than in his crate.
You will train him to have issues if you are not careful. Don't teach your puppy to have separation anxiety by being with him 24/7, then returning to "reality" next week leaving him totally unprepared. Give him plenty of downtime in his crate this week to get him ready. Feed all meals in stuffed KONG toys alone. Give 12" bully sticks alone (once you are sure he won't swallow them. Teach him alone=fun food things. Also, don't leave him alone until you're sure you've completely tired him out! A tired puppy=a good puppy. A bored, energetic puppy=a puppy who teaches himself to bark/whine/paw like crazy from his crate.
The biggest issue here is that I have no help and its making this very stressful for me. My family (consisting of my mother and her boyfriend) ignore Thor, making me all he knows. Its worsening the situation and I can't get them to realize that. I did not expect them to be this way.
I recommend seriously looking at your situation and deciding if this is the best choice for you right now. A puppy raised by one person is a serious, full time commitment. Super rewarding, but you have to be dedicated. It will get worse before it gets better. He will need daily training, several daily outings, lots of exercise, lots of time prepping food toys, grooming, etc. Not to mention the expense of the vet, food, training, chew toys, bully sticks, beds, etc.
Its very hard on me because I have no time to myself to do the things I love (or need) to do. I have to watch him 24/7. Will it get better?
It will definitely be a part-time job for the next year or two, sacrifices will need to be made!
That all being said, I love Thor and I can't see myself without him now. I am torn apart and I just don't know what to do. I thought I was prepared, but I guess I was wrong. I understand everything I need to do, I am just completely overwhelmed and I need help.
You've had him for two days. Not to sound too harsh, but I think it is a great time to really look at the situation. Do you really want to do this? Lots of people would be willing to take on a 5 month old, purebred, easy going GSD pup. People who have the time and resources to give him what he really needs. Not to say you are not the best home for him if you are 100% committed, but if you are not, you have to think about what is best for Thor. There are terrific breed rescues that could help you to rehome him.
I'm also not sure you understand everything that you need to do. Do you really understand what a 5 month old puppy needs? Your initial question about house training with the assumption that 2 days is enough for him to get it, makes me think that you do not.
Sorry about the brutal honesty, but I don't want to gloss over the amount of work this is going to be or what he will need. If you really love him, it is important to make the best decision not only for yourself, but also for him.