It's rude to expect others to pay your bill.
Stefy is on a first date with a boy at a restaurant and the waiter has just brought the bill, but the boy hasn't said anything about who pays.
Stefy wants her portion of the meal to get paid for.
Stefy flags down the waiter and asks him to split the check, so she can pay for her part, then does so.
Stefy bats her eyelashes at the boy and thanks him for taking care of her bill and that she would appreciate it.
The boy is impressed that Stefy is independent and willing to do her part in a relationship.
The boy thinks that Stefy is a money-loving manipulator and doesn't go out with her again.