In the hustle and bustle of our daily lives it is easy to take our focus off of God and put it on other people, our possessions, and purposes of our own choosing. When we lose this focus on God, our enjoyment of life will suffer, but all God wants for us is the blessed life He has in store for us when we keep our focus on Him.
It had been 15 years since they had returned to Jerusalem and rebuilt the wall under Nehemiah's leadership. They were suffering because they had not followed God's instruction to also rebuild the temple. Much like our current situation in the world today, they were too concerned with pleasing themselves and those around them instead of putting their faith where it belongs... in God who had seen them through so many other trials.