Trouble thinks for a few minutes, snuggling Harley, and then he checks that Robin isn't in the middle of anything public and includes her in the time-bubble. Explanations ensue.

It takes Trouble freecasting back to Milliways to reopen his door, plus a little more teleportation and time dilation, but he gets Robin into the bar and goes back to the asteroid to snuggle Harley some more.