You're not sure of:

THE DOCTOR because he says, "Take off your clothes."

THE DENTIST because he says, "Open wide."

THE HAIRDRESSER because he says, "Do you want it teased or blown?"

THE MILKMAN because he says, "Do you want it in the front or the back?"

THE INTERIOR DECORATOR because he says, "Once it's in, you'll love it."

THE STOCK BROKER because he says, "It will rise right up, fluctuate for a while and then slowly fall back again."

THE BANKER because he says, "If you take it out too soon, you'll lose interest."

THE HUNTER because he goes deep in the bush, shoots twice and always eats what he shoots.

THE TELEPHONE GUY because he says, "Would you like it on the table or against the wall?"