My doctor told me I needed to reduce my stress levels.

This joke gets its chuckle from a clever comparison that hits close to home for anyone feeling overwhelmed. The humor mechanism here is primarily a simile, drawing a vivid picture between a person under too much pressure and a stretched rubber band. The punchline takes a common, relatable object and gives it a slightly dark, yet humorous, twist, exaggerating the real-world effects of stress.

Doctors often tell us to de-stress, and for good reason—chronic stress can lead to all sorts of health problems, both mental and physical. The idea of "snapping" under pressure is a well-known idiom, perfectly illustrating the point of reaching a breaking limit. By comparing a stressed-out person to a "snapped and useless" rubber band, the joke cleverly visualizes the feeling of burnout and the inability to function when pushed too far. It's a playful, albeit stark, reminder of why we should heed our doctors' advice.