In the midst of all these self-serving requests you find the most sublime prayers of all time. I don't know what Manasseh prayed, but his prayer moved the God of heaven. In his distress he sought the favor of the LORD his God and humbled himself greatly before the God of his fathers. Then Manasseh knew that the LORD is God. What a prayer that must have been.
Life is a mixed bag.
Moses came to God regretting that God had placed such a burden upon his shoulders. At other times he was more than willing to lay his life on the line to shoulder those burdens. When the children of Israel made the molten calf, Moses interceded. They have made themselves gods of gold. Moses gives us a little more details about this incident in his account in Deuteronomy in the following verses.