Coordinate with dispatch a new destination and new alternate(s) based on fuel burn below RVSM airspace. Coordinate with ATC for a block altitude, so you don't have to sweat ATP standards on the altitude. Take turns hand flying the jet.
Invite the Flight Attendants to take a turn at level flight. Why not take advantage of the opportunity to break up the monotony of hours and hours of handflying straight and level, right? Could be entertaining.
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