It's good to be loyal to old friends.
Mark's childhood best friend Justin has fallen on some hard times and asks Mark if he can crash at Mar's place for a few weeks.
Mark wants to continue living alone.
Mark tells Justin he can't let him stay at Mark's place, but offers to put in up in a hotel for a few weeks.
Mark tells Justin he can't let him stay at Mark's place right now but wishes him good luck.
Justin really appreciates the help, and uses the time effectively to get his life back together.
Justin remains homeless and suffers living on the streets in desperation.