Ritholtz had asked how you divide a private business in a divorce when there is no market price to look up. Kilbane's answer was that you hire a valuation expert and then discover the law has invented its own vocabulary: enterprise goodwill against personal goodwill, and in his home state of Florida a business valued as if the spouse who runs it were absent. The gap between what a buyer once offered for the company and what counts as the marital share can be enormous.