David Teitel has worked as a cashier at health food stores since the mid-1980s. He enjoys sharing history facts, baseball statistics and arithmetic with customers — he’s famous for his numbers knowledge. David lives alone in a messy apartment; handwritten notes cover his walls, appliances and kitchen cupboards. They serve as to-do lists, schedules, appointments and reminders of interesting people, places and stuff. David has been living with hepatitis C for 39 years and is waiting to be accepted into a new clinical trial. Waiting for treatment, David reflects on his life: his relationship with his parents, his painful adolescence and a period of isolation in his early 20s. After dropping out of school and struggling with mental illness, David began his career in customer service at an independent cheese store in Kensington Market in Toronto. He’s spent more than 30 years as a cashier and entertainer at health food stores.

Numbers Guy

Psychology People

21 minutes.

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