User blog comment:EmpyreanSmoke/Supernatural Q&A/@comment-73.212.71.148-20150919222607/@comment-24834479-20150920005752

1. It broke his heart that his archangel son had left his family to join another. This is another reason that he left.

2. She was mostly made within Purgatory.

3. There is a little truth to each religion.

4. He pitied them.