But his health has outsmarted him - he has done little to plan what will happen if he falls ill.
That way, he says, if something falls on a kid's head in a store you have leased to a toy retailer, your other properties won't be at risk.
Lehman's public relations campaign is made doubly difficult by the public critiques of a well-known investment manager, David Einhorn of Greenlight Capital, who has taken a short position in the stock, which means he will profit if it falls.
If, when he retires, Kodak falls behind again, Fisher will blame himself.
Gazprom won't mind all that much, he says, if the Sakhalin deal falls through.
But if the gold price falls a lot, he can always melt down the bars to make a really big crown.
It must be said that his powers of initiative, in this respect, are not great, and if he spent half as much time filling in job applications as he does wandering the city under feathery falls of snow, he would be earning serious money within days.
If the benchmark falls between 12 and 20, where he considers the market fairly valued, the initial withdrawal would be 5%.
And if growth falls to 1% next year, as he is now thought to expect, before returning to trend, there is no danger that he will break the rules on fiscal probity that he has set himself.
However, if he or she increases the hours above that level, the family income falls off as the combination of childcare costs and withdrawn support through the tax credit system bites into earnings.
He says that would drive 15%-20% overall revenue growth even if search growth falls to the low double digits.
He also wants the rules to be toughened-up so that managers can be sacked if patient care falls below what Mr Francis calls "fundamental standards".
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He says he doesn't chase the highest rates, but will consider moving his money to another bank if the yield falls 0.1 to 0.2 percentage point.
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