You shouldn't demand things from your friends.
Carla is having issues with her car and is unable to drive it.
She wants to ask her friend April to give her a ride to work.
Carla explains her situation and asks April nicely for a ride.
Carla demands that April drive her to work and says that it is her duty as a friend.
April is happy to help her friend and gives Carla a ride to work.
April is put off by the rude demand and makes an excuse not to help.