When the guy sticks his head in the barbershop and asks how long until he can get a haircut, he's actually finding out how long it will be before the guy who is in the chair is done. The inquisitive guy then runs back to the house of the guy in the chair, presumably to do his wife.
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"To those of you who are wearing ties, I think my dad would appreciate it if you took them off." - Robert Moog
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