"Oy, I am NOT moping!" He frowns as the Master smiles. "Ah. That. Not human, exactly. Human Timelord Metacrisis, actually. Bit of a long story. Grew out of my spare hand." He scratches head, wondering if he can possibly get the Master into his TARDIS. From there he can subdue him and call for help. Otherwise they'll likely be standing here all day. "What are you doing here, anyway?"