We could see the blood run down his face. He may not have cupped his ear tightly enough to get blood on it. He didn't know how much damage was there, and may not have wanted to do more. I think it likely he didn't know for sure it was just the ear.

We could see the blood run down his face. He may not have cupped his ear tightly enough to get blood on it. He didn't know how much damage was there, and may not have wanted to do more, or even know how much damage. I think it likely he didn't know for sure it was even just the ear.