I'm a newbie to astrophysics you could say, and I have had a few questions lingering around in my head. So in this situation the universe hasn't been destroyed yet, but much of it has been "eaten" by black holes. Question 1: Is it possible for BH's to swallow all matter in the universe, or would there be an energy limit/ other limits? Question 2: If it is possible for question 1 to occur, then if all matter has been condensed into one massive black hole would it shrink rapidly due to Hawking's radiation (I'm not to sure about how Hawking's radiation works)? Question 3: Since the universe has been reduced to a singularity, would this be similar to the universe pre Big Bang? If so, then would it have infinite temp and density? I understand if this sounds completely asinine to some of the experts/vets here.