You have not properly experienced cinema until you see this movie. This doesn't even begin to cover the heights of surrealist absurdity this movie achieves.
He ate the face off of Christ to become one with the bread of life. As with the Cardinal who threw them both out, his Christ is also personal and therefore 'carnal.'
There's a guy in the movie who attacks them on the mountain and shoots milk from two miniature jaguar heads on his breasts...that is my answer to that.