"And now you are violating your own prime rule.  You have waited only a little while - a very short while by Martian standards, I take it - and already you want to throw in the towel.  You've proved that your system can work for a small group - and I'm glad to confirm it; I've never seen such happy, healthy, cheerful people.  That ought to be enough to suit you for the short time you've put in.  Come back when you have a thousand times this number, all working and happy and unjealous, and we'll talk it over again.  Fair enough?"