You and the Doctor have been travelling time and space for a while now and he’s always been able to protect you - to save you from harm and shield you away even as Daleks shot at you relentlessly.
But now? Now, you were hurt. Hurt by a species that even the Doctor hadn’t encountered before. Their power and strength was unknown, everything completely unknown yet he stood, in front of you, with confidence and a fierce glare that would make even Vashta Nerada quiver and run away.
“You could’ve ran. I told you- I-… I told you to run…” He said, venom behind his words as he glared furiously to the creature in front of him, “But you didn’t listen. Why do you lot never listen!?” His eyes were filled with hatred. “And now you’ve hurt someone I care about. Do you know what that means?”