No, you can't return an item to the store if you didn't bring the item with you. Even if you promise to bring it back later, because you just forgot it as you were running out the door, you can't have a refund. Still, some customers will try to argue that they should be allowed to do so! It makes sense in their mind, so they think that it should be permitted. This isn't even the dumbest question that the retail workers of the world have fielded from their customers! Even after taking a company…