Politics can be a nasty, thankless business, especially when you're the leader. You hold the future of those beneath you in your hands, most of them who come into this place do so because they genuinely believe they can make a difference, to make the country a better place.
The more ambitious of them would secretly love to become the Prime Minister, or at the very least a Cabinet Minister and if they hang around for long enough, keep their head down and their nose clean they can generally expect promotion.
So when the events of the past week happen, when as Labour's Andrew Little said the Prime Minister sprayed and walked away, leaving his former colleagues to cope with the spray, they break out in a cold sweat.
Bill English has been working his way through his caucus, talking about their ambitions and expectations, having to tell some of them their futures lay elsewhere. That was the case for two mild mannered, likeable men, who've had a relatively brief taste of the baubles of office but who'll now have to be happy with Christmas baubles instead.
Sam Lotu-Iiga, the first Samoan to hold a Cabinet post for National, fell on his sword before it was publicly wielded by English and Craig Foss did the same thing the following day.