It's nice to ask for permission to do things.
Curt was staying at his father's house for the weekend.
Curt wants pizza for dinner.
Curt asks his father if they can have pizza for dinner that night.
Curt calls and orders a pizza using his father's credit card.
Curt's father calls the pizza restaurant and has a couple of pizzas delivered.
Curt's father grounds him for using his card without his permission.