What does analogy this add to the canon of “self-centeredness”? Possibly the notion that self-centeredness is never sufficient unto itself – it must reach out to take more. What happens when two “self-centers” collide? Will they become “we-centered”? If two black holes – emptying into other spaces – collide — will they be consumed with each other – and leave us alone? One mouth with two stomachs? The BOGO origin of parallel universes?