Tests don't come much bigger for the All Blacks than those against the Springboks in South Africa.
In that respect, the motivation should take care of itself. But in case any extra were needed, the fallout from the Aaron Smith affair could provide it.
There will be serious concern within the All Blacks as to how the unprecedented media firestorm which greeted the news of Smith's unwise meeting with a woman in a toilet at Christchurch airport will affect the 27-year-old.
His emotional reaction when facing the New Zealand media pack in Durban before he left hinted at the depth of his remorse. He will face more scrutiny when he arrives home.
Coach Steve Hansen asked if that might be the end of it as far as the media spotlight on Smith is concerned. Mea culpa done, perhaps some breathing space given. But that is a forlorn hope, unfortunately. In this digital age when every click on a story is treasured, the spotlight will remain.