Comment Re:Spoiler Alert (Score 1) 196
Some other reasons it was probably all a dream: (A) The hotel rooms when his wife was on the ledge were mirror images of each other, one destroyed, one not.
I don't think we can assume that any scene from his memory of his wife are necessarily 100% accurate - he was clearly shaping the dream world of her so the similarity of the rooms could just be artistic license on his part. Plus, I've stayed in hotels in Tokyo with a similar layout - look out the window and what you think is a different hotel is actually the same on and those rooms were fitted out identically. Most hotels would do that and especially rooms on the same floor would most likely be the same size and therefore have the same internal layout.
(B) the references to his action packed espionage lifestyle being far fetched,
What "action packed" lifestyle? He was an "architect", and he's on the run so must keep on the move. Maybe it's just semantics, but I wouldn't call that action packed espionage...
(C) His token was actually HERS, and (D) her token was her burred secret.
Not sure of the point you're trying to make here - your totem only really has to be an item you can keep with you that only you know intimately. It's implied that no living person can know of it (since a dead person cannot create or enter dreams. The fact that it used to be hers and that she tried to forget her past life (which the totem was the last symbol of) are completely consistent.