I told my doctor I kept forgetting things.

This joke masterfully uses wordplay to deliver its punch. When someone "stops seeing their doctor," it typically means they've recovered and no longer need medical attention – a positive outcome. However, in the context of the patient complaining about memory loss, the doctor's advice takes a hilariously literal and unhelpful turn. The humor stems from the unexpected interpretation of a common phrase, twisting what should be a helpful medical directive into an absurd exacerbation of the patient's problem.

The irony here is palpable, playing on our expectations of a doctor's role. We rely on medical professionals to offer solutions and care, but this doctor's advice seems to entirely miss the point, or perhaps, hit it with a darkly comedic precision. It taps into the universal experience of minor forgetfulness, making the doctor's flippant, almost dismissive, response all the more amusing. It’s a classic example of a joke that builds anticipation for a sensible solution only to deliver a delightfully nonsensical one, leaving you to chuckle at the sheer audacity.