It's considerate to help to help friends
Harry has a friend who has asked him for a ride into work, but he is scheduled to go in early.
Harry wants to get to work on time.
Harry makes sure they leave extra early in order to take his friend and get to work on time himself.
Harry tells his friend he is unable to take him because he works early.
Harry's friend arrives to work early which gives a good impression on his boss.
Harry's friend can't find a ride and gets fired for missing another day.