He makes a vague sound of protest, but John leans back anyway and lets Ianto take over -- watching him undo his laces with a sigh. He doesn't much like it, but it's quicker and he's tired.

"Just so you know," he grumbles. "This is not a kink. I'm not into being nursed, I'm a bad patient."

Spoken like a man with extensive experience being nursed. He's not actually the worst possible patient, but John gets restless easily. He doesn't like staying still and doing nothing.