Fistingdwarves,Whilst I know you may have only been on HC about...

Fistingdwarves,
Whilst I know you may have only been on HC about a year, perhaps you need to understand bookvalues in financial accounts are just values normally derived from historic cost values with sometimes revaluations of items in financial statements. If you do own a house, would you be prepared to sell it for its bookvalue? Need to remember market values & book values are not one & the same. There are many ways of valuing assets & financial accounts only reflect one such method.
Regards
Buffett
PS There is even risk in turning on a computer or getting up out of bed