Suffice to say, though, it manages a great character arc for Tony Stark and his relationships, plus spectacular special effects and action sequences that never detract from the examination of how the armor is poisoning Tony literally while his self-destructive behavior is poisoning his life figuratively.
Now I have yet to hear that my Vegan friends are poisoning themselves, the females giving themselves estrogen-related cancers, the males self-castrating, and that tofu is a heckuva contraceptive.