1. The answer is sophisticated
2. The answer is confusing
3. The answer is past perfect tense?
I am unsure of the last one but that would be my guess
Answer:
Einstein's life was miserable in Munich because he neither had a good time in school nor back at his lodgings. His bad days were increasing in number because he could not shirk school and he felt stifled in that place.
I would check all the above, it seems to me all apply.
True, it should always be in the correct order.
Hope this helps!