"Oh!" She sits up and climbs out of bed. "Okay...hang on..." She goes over to the pole where the IV drip is hung, and sure enough it has wheels. "Okay," she says. "It's always awkward working with these things, because their wheels are often only slightly better than the wheels on shopping carts." She looks at him. "With your broken leg and your knees, do you think you can make it to the bathroom if I help you? Or should I call a nurse?"