A school teacher from Dallas, Texas has answered all these childhood questions. Dale Irby wore the same polyester shirt and vest for his yearbook photo for 40 years.

Irby said what started off as an accident became a running joke that never got old. A sports teacher, Irby usually wore athletic clothes suitable for exercise. He picked the vest and shirt combination in order to look presentable for his first yearbook photo in 1973 and accidentally repeated the outfit the following year.

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