John's startled laughter could probably be heard all the way from the bathroom. "No. Nothing cursed. You ought to be safe to touch things." He was still laughing as he came back, but not as loudly or as steadily. His shoulders shook a little as he held up the bandages.
"Three minutes. Don't worry. I'll, ah." He gestured upwards with his index and middle fingers. "Could you lift your shirt again? Just enough to expose the burn." He was trying to be professional about it. Detached. He kept a casual air as he strode in, latex gloves back on.
Watson worked quickly and efficiently, and once he was done he started peeling off the protective gloves. "I'll let you change? And I can handle dinner, if you'd like. After fighting demon trash-cans, I wouldn't feel much like cooking."