I don't think he does. In the season finale, he sacrifices his human life by signing away the Shanshu prophecy in order to take down Wolfram and Hart.
No, Saint Michael has always been an angel, a pure spirit.
Humans and Angels are alike in the sense that they both travel from a planet of animal origin into the long lasting journey toward paradise. A human in his/her travels will resemble an angel and perform duties similar to an angel, but will not ever be an angel.
Deuteronomy 34:5 merely states that Moses died. Perhaps it can be inferred that the Angel of Death took Moses, but there is no Jewish, Christian, or Muslim tradition that says that an angel killed Moses.
Angels are creatures completely different from other creations of God, and were created before humans, according to the Bible. No animal NOR human ever becomes an angel.
Become the world's softest least clutch human ever
I believe there is no one who has ever seen an angel
Ever since the first male and female human started reproducing.
never
NO
only in art.
Yes.
Yes. He was in Angel Episode 3 (Dad).