"You know, I've no idea," Robb answered, surprised to realize that this wasn't something he'd actively considered before. "I suppose you're bound to get a few eventually, but I like to think that most people are good enough to feel a bit bad if they don't lend a hand now and then in what ways they can." And they might find life rather less comfortable, as well; in his experience, most people would only stand for being taken advantage of for so long.