It's good to help people when they move.
Larry has had a hard week of work and is looking forward to resting on Saturday, but his friend Bob has asked him to help him move.
Larry wants to rest on Saturday.
Larry helps Bob move in the morning and spends the rest of Saturday resting up.
Larry tells Bob that he can't help him move and spends all Saturday sleeping and watching TV.
Bob gets help with his move and Larry is rested up for the next week.
Bob is annoyed and doesn't help Larry when Larry needs help.