Some drivers do earn their money, when not behind the wheel.
with the promotional season under way there are considerble demands on the drivers, and they need to have endurance.
For example, here is a sample of Greg Murphy's itinerary.
Friday night..fly to Brisbane, QLD for the V8supercar season promo.
Saturday afternoon...fly back to Melbourne VIC.
Tuesday morning..fly to Perth WA for a promo.
Tuesday afternoon...fly to Auckland New Zealand to promote the Pukekohe race.
Wednesday afternoon....fly Auckland to Melb.
Maybe he is addicted to airline food.

The Mountain is a savage Mistress.