"And I look forward to meeting the man who could win your heart," Krista said. "He's an extraordinarily lucky man."

They flew in silence, each of them lost in their own thoughts, the only sound that of the engines whining in perfect synchronicity as they sliced through the air.

"Okay, time for the next step," Zach said when they'd been under way for an hour and a half.

Getting to his feet, he made his way forward to the cockpit.

"Everything okay back there?" the pilot asked.

"Fine," Zach replied, enjoying what he was seeing. "But we've changed our minds about Quito. We'd like to go to the Caymans instead,"...