感觉有两处，一处在reason后面，一处在contrary to

I shall argue that [(the primary reason) it is so difficult to achieve happiness] (主语是reason)centers on the fact that, [contrary to the myths mankind has developed to reassure itself 作插入语], （j紧跟fact the universe was not created to answer our needs）.
遇到这种句子拆句子
1.I shall argue that the primary reason centers on the fact
2.The reason that it is difficult to achieve happiness
3.contray to the myths mankind has developed to reassure itself
4.the fact that the universe was not created to answer our needs