Weird World Therapy
Oh Good, you made your patient happy. Here's a new patient.
You know the drill. When your creature is happy, you will be assigned a new patient.
"I have absolutely no will to go on"
How will you help Donber?
Convice Donber to leave the tree by inviting him to a dance party.
Remind Donber that he needs to go on living to feed his ant farm.
Reach out to one of Donber's old flames and arrange a meeting.