A conversation between a man and his landlord.
M: I’m going on a vacation for a month.
L: I see. Have a good time.
M: Can I turn off the gas?
L: Oh, yes you can.
M: Can I turn off the electricity?
L: Oh, yes you can.
M: Can I turn off the newspaper?
L: Oh, yes of course.
M: Then, why can’t I turn off the rent?