You shouldn't fake depression just for attention.
Clint is the youngest child and feels overshadowed by his older siblings, who get most of the attention.
Clint wants more attention.
Clint works to involve himself with the family more and to contribute to the household chores.
Clint fakes being sad so his mom will comfort and hug him.
Clint's mom gives him attention for doing a good job.
Clint eventually convinces himself that he is sad and becomes depressed.