It's not okay to lose something valuable of someone else's.
Sara was invited to a football tailgate but doesn't have any of the teams apparel, so she borrows a sweatshirt from her sister.
Sara wants to have fun at the tailgate.
Sara takes off the sweatshirt and ties it around her waste, so she doesn't lose it.
Sara takes off the sweatshirt, but she can't remember where she put it because she had too much to drink.
Sara's sister is mildly upset that the sweatshirt smells like beer, but gets over it and Sara is thankful.
Sara's sister is mad that her sister comes without the sweatshirt, and she makes Sara buy her a new one.