A salutory lesson in the futility of appealing to my better nature.

Her: Would you like to help [Charity name] for a little as £2 per month?
Me: Ooh! Do I get a badge or a sticker or something if I do?
Her (Winsomely): No, but you do get that feeling inside of having done a good deed?
Me: Argh! It burns! It burns!