"It doesn't hurt – not too much, at least – and once it's in it doesn't hurt at all, and they arrange it so that the tube goes to a bag they hang off the side of the hospital bed, and you just...don't need to go. The bag fills up automatically as you make urine, and the nurses – Healer's assistants, I suppose you'd call them – replace the bag every so often, and people like me don't have to haul stubborn bloody injured people who are supposed to be resting, all the way to the toilet." She shot him a pointed glare, with no real annoyance behind it.