LOL.
A friend of mine hosted a dinner party for his and his roomate's parents and other relatives and friends. They were a very wealthy bunch and quite snooty.
Everytime someone returned to their seat after getting a drink, or more food he would jump up, go behind their chairs and ask "May I push your stool in for you?"
No-one caught on, but it was hilarious watching the older women blush and comment on how rare it was to see such fine manners in a young man.