By the time Colby actually drives David to the airport, they’ve both said, “Are you sure?” so many times that Betancourt is running out of jokes, and she doesn’t even know how right she’s been all along.
David keeps reminding him that DC is only five hours away, and Colby’s already memorized the airline schedules, but this is the end of something special. That’s why he asks the question one more time, knowing the answer is his fault.
He’d had enough lies and David wasn’t ready to tell the truth.
And now he’s losing the best partner he’s ever had.