"Bruce." She frowns, not liking having only his first name, without a family name or a title to address him by. It seems too familiar, for a stranger. But it is what he has offered, and she accepts it. "Thank you. For your assistance. And your - discretion." In the way he had not insisted on helping her walk when she had eased away, the way he had allowed her to keep her dignity when addressing the girl's mother.

And for his comforting manner, the way he had set her mind at ease and made it easy for her to accept his help in the first place - but that is more difficult to express gratitude for.