Breaking the suspense plot of a movie/book to friends who have nt seen/read it yet.
Hanging out at an expensive mall just to check out what the high-heeled ladies shop for and how much they blow out on a day's shopping.
Winning in raffle, bingo and the likes and getting a better prize than a friend/colleague.
Asking too many nagging questions to friends when they are engrossed in another activity.
Driving 5mph below the speed limit especially in a one lane road and checking out the driver behind's reaction.
When friends sympathize with a 'been there done that' during sodappal recipes, awful hair cuts and the likes.
Discovering people who blog/comment anonymously.
Do you have any?