[ That confession brings him pause, mug halfway to his mouth. He never thought of that, never really saw it as a possibility and even more so it never occurred to him that Ianto might think that way. He always assumed that loyalty and romance would be enough, but apparently it's not as potent as he thought. ]
Listen to me — I would never forget you. Never. You hear? Even if you hadn't turned, you'd always be a part of me.