"Everything." Ten states simply, "Nah. I need to keep moving." Then goes back to the control panel to see how that dimensional rift is holding up and for how long. The Doctor line faces, Trunks may have cost him leaving. There's a slight sigh - he might - he might end up stuck here and appears sad. Trapped in an unknown universe. Saying goodbye to Rose is hard enough but saying good bye to the universe The Doctor knows.

"Follow me to the kitchen then." The Doctor leads the way, if Bulma or Trunks pass by the control panel screen they'll see the dimensional rift and the appropriate time that it's left open.