how can the uninverses dark matter constantly expand into nothing?

Question: how can the uninverses dark matter constantly expand into nothing?

Asked by frosty to Jo on 15 Jun 2010 in Categories: General.
- Jo Broadbent answered on 15 Jun 2010:
  
  HI Frosty
  
  I wish I knew. The universe is a mystery to me. Sorry. I know a lot more about small stuff like genes.
  
  I hope you get an answer though. Maybe one of the other scientists knows? I think you need a physicist!
  
  Jo

Question: how can the uninverses dark matter constantly expand into nothing?