The price of the mental stress from worrying about me after the surgery (and double that if there's a complication).

WSJ: Book Excerpt: Confessions of a Surgeon

Good business owners find ways to ride their emotional highs toward success, double-check themselves during periods of Uninformed Optimism, and view stress as an opportunity to increase their focus.

FORBES: Leaders' Emotional Rollercoasters

That will double your chances of taking them and knowing you have a vacation coming will reduce your overall stress.

FORBES: How Doing Nothing Makes You Money.