A man in Ding Dong Dell has lost all enthusiasm for day-to-day life.
This errand is available to complete after defeating Hickory Dock in Ding Dong Well.
To begin this errand, talk to the man standing near the wheel near the Cawtermaster's Store in south Ding Dong Dell. He just doesn't have the will to do anything and wants to put it off until later, so it's time to help him.
There is one person in south Ding Dong Dell and two people in north Ding Dong Dell that have some extra enthusiasm; they're marked in green on your map. Talk to any one of them and use the Take Heart spell to acquire some extra enthusiasm.
Once you have it, return to the man and talk to him, using Give Heart on him to give him your enthusiasm and you'll complete the errand.