Hello...My beautiful long coat GSD absolutely LOVES being outside...all the time! I have to bribe him to come inside at night but I'm not usually successful. He lays at the back door and when I open it, he runs the other way. He has a contained one acre back yard to run around in but I worry with the frigid temps. The colder it is, the more he loves it. He is 2 years old...anyone have this problem? I love him to pieces but I had longed for a much more affectionate dog. Should I try to discourage this or is it "normal"?