It's bad to keep money that isn't rightfully yours.
Julie is walking behind someone when she sees them drop a $100 bill.
Julie wants to pick up the money.
Julie picks up the money and yells after the person that they dropped something.
Julie bends down to pick up the money, and she sticks it in her pocket.
Julie feels appreciated after the person hugs them, expressing their gratitude.
Thinking about it later, Julie feels guilty for taking the money.