Motivation is an important factor .
On its own it 's not enough to sustain the wellbeing of the team in a hectic end of season that will have featured five Grands Prix in just seven weeks , including crossing the globe from east to west .
Motivation is an important factor , but on its own it 's not enough to sustain the wellbeing of the team in a hectic end of season that will have featured five Grands Prix in just seven weeks , including crossing the globe from east to west .