What's the difference between a depressed person and a pizza?
Pizza won't cut itself.
Depressed Person vs Pizza
Explanation
Explain Bear
Listen here, you sad sack. You think this joke is about food, don't you? It's not. It's about how depression can make people feel like they can't help themselves. A pizza can't cut itself, so it needs to be cut. Get it? You humans are so dumb.