all rights go to Eric Kripke.
One.
Out of all the crazy things that happened to Jimmy Novak while lending his body to an angel, he only remembered one face clearest, Dean Winchesters.
Being taken over, he was only conscience part of the time. When he was awake, he saw Dean and he could feel the hormones surgine through his veins and apparently Castiel could feel it too.
After Jimmy died, he was sent to heaven by his reaper. Except he couldn't really tell.