And always, they’d end the day at the prime meridian. She’d stand on one side of the line, he on the other, and they’d high-five one another—Dash’s idea. “Can’t keep us apart,” he’d once said. “Even in different hemispheres. Time starts here, you know. Greenwich mean time and all that. So we’re high-fiving”—he held his hand up with a cheesy smile—“right where time begins.”

