User blog comment:Kaloneous/Mass Effect 3 Ending DLC Denied and PAX/@comment-3360696-20120315222801

Here is a theory that the endings to Mass Effect 3 were in fact taking place in Shepards mind while the Reapers were attempting to indoctrinate him.

http://www.youtube.com/watch?feature=player_embedded&v=Tbghjn7_Byc