Recency Bias - Tumblr Posts

I started using Head and Shoulders ten years ago for itchy scalp and dandruff, and then for ten years I have not had itchy scalp and dandruff, so I thought “why do I still buy shampoo to combat itchy scalp and dandruff when I do not have itchy scalp and dandruff,” so I stopped buying the shampoo for itchy scalp and dandruff and can you guess I have now? Can you predict what currently afflicts me? It’s alright if you can’t because apparently I fuckin couldn’t either