Everyone forgets their wallet once in a while, and it’s nothing to hold a grudge over. But when someone forgets their wallet every time they go out to dinner with friends or relatives, that person obviously doesn’t want to pay the bill (ever). One redditor got sick of her serial wallet-forgetter sister-in-law‘s antics, so the next time OP’s SIL invited her to a fancy restaurant, OP made sure to bring her SIL’s ‘forgotten’ wallet to the restaurant for her.