Anyone can do any amount of work, provided it isn't the work he is supposed be doing at that moment.
Robert BenchleyA man gets on a train with his little boy, and gives the conductor only one ticket. 'How old's your kid?' the conductor says, and the father says, 'He's four years old.' 'He looks at least twelve to me,' says the conductor. And the father says, 'Can I help it if he worries?
Robert Benchley