>In psychobabble, there are a good many layers to this: first, the desiring subject of the unconscious is not the same as the desiring ego (ie. what my 'uncs' desires is not the same as what 'I' want). I might want a cheeseburger, but my uncs desires something else, like to be mystically unified with the cheeseburger or some other such weirdness.
Mystic to hot dog vendor:
"Make me one with everything..."
Hands hot dog vendor a ten dollar bill.
Mystic (after receiving hot dog).
"My change please."
Hot Dog Vendor:
"Change must come from within..."