The Doctor, tucked his screwdriver away and turned the device off, pocketing that too. Standing, he remained silent a moment longer, just thinking. They had to prepare... get ready for whatever was coming. He'd have to face it. How could he not? His curiosity was taking over. He had to know what this other TARDIS was, what it meant, where it had come from, because it certainly not come from his Gallifrey. That was dead and gone.
"We need to go back to the TARDIS. At least... I do" he said eventually. "You can... go get your food. You need to eat..." he said, turning to head back in the direction of his TARDIS.