Most of us have a love/hate relationship with uncertainty. We hate negative uncertainties—the bad things that happen that we didn’t expect to happen. We don’t like pink slips, IRS audits, or flat tires. No fun. But we love positive uncertainties—the good things that happen that we didn’t expect. Flowers for no reason. An unsolicited bear hug from your kids. A surprise birthday party. But here’s the thing: You can’t have it both ways.

