Hi J.,
we just arrived in the States not too long ago from 3 years Germany. We (I have also 2 boys--age 10 and almost 6) stayed in the hotel for a whole month and I know how you feel just that in the end we were there almost 3 times as long as you. My husbands career (17.5 years) has have had us stationed longer overseas than stateside. Ok. I am German but we also have lived in Vicenza, Italy like Sos for 3 years.
So now to answer your question how long it will take to feel normal? That answer cannnot be answered at all by anybody but you and not to scare you at all but for me it took 2 years in Italy. And it has to do with you, the country you will live in and all that is part of your life and how you embrace the change. Even my husband who is American needs to adjust when we come back 'home' to the US.
Just a few more days and you will be in a house. This time I felt a lot better from the point that we had our stuff delivered even though after 1 month I'm still dealing with boxes.
You can contact me for any question and I might be able to help you explain the German side. My husband had been stationed in Wurzburg/Schweinfurt area when we dated and were young married, we just left Stuttgart and I am from Stuttgart. Let me know where you are at...
Good luck!
P.S. We are in NC (I have been stationed with my husband in SC) and I do have my difficulties in the South always--The north is always easier for me to handle starting with the weather, we have been stationed twice in the New England area as well.)