A sweet innocent girl grew up besides a peeping sim, they become super siblings despite no connection between them. the peeing sim moves out and then proceeds to look in through windows an hour later, enjoying watching his super sibling walking around in her smalls.
in someways i can understand what @GalacticGal is saying a few posts above. it does seem a bit... odd. more so if the peeping sim is caught by his super sibling and then he is invited in without losing any friendship score. okay, this is really getting creepy, i'm gonna stop.