Ianto quirks an eyebrow at John's words, refraining from pointing out that he doesn't need telling that the other man's a bad patient. He's pretty much worked that out all on his own at this point.

"Well," he replies. "I suppose that I'll just volunteer myself to be mauled next time. Then we can find out what sort of patient I am instead, shall we?"

He throws a glance up at the other man with his words before tugging off John's first boot and reaching for the second.