The Doctor knew Jack was probably right, he knew he would have to wait until he had some strength to make it back, or be carried. He was looking at them "Probably wise, I just seem to be running low on energy and strength fast, sure after I eat I might feel a bit stronger." He was looking at Arwen and he smiled "Yesh sure go ahead."
Owen was looking around, he wondered where they all had got to. He didn't think the Doctor was in any condition to do too much.