The Doctor showed his gratitude for the support by not complaining and not shrugging away from Amy and Donna. Just at the moment, he needed their help more than he cared to admit.
"In it," he said in response to Donna's question, "or we should be, anyway. Come on then. No time for dawdling."
Once the small group made it outside the TARDS, they would find the automated gurney Galen had dispatched waiting to take the Doctor to the automated medical bay.