You shouldn't refuse to help a friend in need.
Mario is listening to a hockey game on the radio when he gets a call from Luigi to pick him up from the airport.
Mario wants to listen to the game.
Mario listens to the game in the car while driving to the airport.
Mario tells Luigi to take a taxi and continues listening to the game.
Luigi thanks Mario, and they listen to the hockey game together.
Luigi calls Mario selfish for choosing a hockey game over him.