Opposition leader Simon Bridges has taken perhaps the biggest gamble of his political career - ruling out a coalition deal with New Zealand First after this year's general elections.
He's following in the footsteps of John Key, who made a similar pledge in 2008.
It worked for Key, Peters lost his Tauranga seat and with New Zealand First gaining less than 5 percent of the vote, the party was out of Parliament.
Can lightning strike twice?
RNZ's political editor Jane Patterson speaks to Corin Dann.