If it is true that stuff is sucked inside our universe from the parent universe, I imagine the same must be true for "our" black holes: they suck matter from our universe to the child universe inside them...
And having the sum of stuff sucked in and sucked out to be zero, there should be a limit to the number (or dimension) of black holes our universe can have (?)
But the mass of the black holes from the outside universe count on what I call the energy/mass balance sheet, don't they? In other words, for the parent universe I would think you get to count all mass and all energy in all child universes. But in a child universe I don't see a way to count the parent's mass and energy.
And having the sum of stuff sucked in and sucked out to be zero, there should be a limit to the number (or dimension) of black holes our universe can have (?)