T-shirts with "jokes" on them are rarely funny. In wearing one you’re essentially telling the world you’ve found a joke so funny that you want to tell it to every single person you walk past. This joker thought it would be hilarious to announce to the world: "WANTED: NICE WARM HOME FOR MY COCK." No one who walked past him burst into hysterics, slapped their thigh and winked at him. He is basically reliving the crushing despair of telling a piss-poor joke only to receive an awkward silent response with every person who passes him in the street. That is literally thousands of time a day; more than enough to depress anyone. No wonder he looks so glum.