Jack did know it was in everyone's best interests that the Doctor move off for a few minutes. It didn't stop Jack from taking a hesitant step towards the other man the just stood there, hands shoved deep into his pockets for a moment. Best for him to go off and they'd take care of things here for now.
Fucking hell.
Jack pulled his hands from his pockets and moved to stand beside Logan, ready to hold the wall in place once they had raised it. "Bit of luck? Right now, I think we could use all the luck we can get."