Well, you're the expert sensei ... don't let it take up too much of your time, i bet you have like a stack of paper on your desk by the time you get back.
I have at least a full stack of e-mails (only about 200 thanks to the vacation break) :D
For the rest of your question: there are different potential scenarios for the end of the universe. In other words, we do not know: The black holes will continue to attract everything, but in how long? Will the universe continue expanding as well? Who knows?
RE: Heating up neutron stars with dark matter