A modification I add is to ask them to do it for someone else once they're on their feet again. That's a pretty easy thing to agree to, and the anonymity of it

A modification I add is to ask them to do it for someone else once they're on their feet again. That's a pretty easy thing to agree to, and the anonymity of it allows the other person to make good on it if they feel that's important without putting any pressure on the friendship.