"I saw Koschei, you gibbering hamster brain!" the Doctor roared, despite himself. He then sealed his lips together tightly to keep from blurting out any more; the memory of how the Master and Missy walked away from him when he begged them to stay and help fight off the Cybermen was new and fresh in his memory, and pained his hearts.
He hung his head in defeat. "What do you want me to say? I've exhausted my options. Somehow, I can't get it through to you, how much you mean to me. You never believe it. And you know I'm bullocks at this sort of thing. Missy even gave me instructions on how, and I've fucked it up."