Their baptisms of fire would put them in good stead for future Tests, as the All Blacks gear up for their Rugby Championship defence.
The nail-biting finish came with its fair share of controversy as referee Romain Poite awarded New Zealand a late penalty and the chance to win the series before changing his mind and awarding a scrum instead.
Hansen, as is his wont, began by giving a statement before taking questions. It's been a fantastic three-match series. When you watch New Zealand play, it's a bit like watching Brazil at soccer or Roger Federer in tennis - it's a constant highlights package of how the game should be played.
Is it just me or have All Blacks supporters overtaken their Manchester United counterparts as the most obnoxious fans roaming the earth? I also want to say how proud I am of our own team.
"We trusted our instincts and a few of those plays came off, which was pleasing".
"That is where we have got to go".
Poite appeared to confirm his decision after consulting with South African assistant referee Jaco Peyper and Australian TMO George Ayoub after watching the incident on the big screen again. Because somewhere along the way, they're going to hit you.
"It's been a special series to play in", said Lions captain Sam Warburton.
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"To be honest I'm a bit speechless, I don't know what to make of it". It's a tough game to ref. If you take [referee] Nigel Owen out, then they are supposedly the three best referees in the game at the moment.
"And in fairness to the man next to me [Warburton], he's been quite smart and astute he's been able to talk the referee from a penalty into an accidental offside".
Referee Romain Poite made a number of questionable decisions in the 15-all stalemate.
"Go back to the World Cup and the same thing happened, and Scotland missed out on the World Cup [semifinals] because they didn't use the video", Hansen said. Some felt the Lions were unlucky not to win, others felt they were lucky to draw and some were wondering why there's no extra-time or even a deciding test.
"If they'd played on and we scored under the posts I'd have liked that". Read was constantly in Poite's face questioning decisions and asking him to double-check stuff. So we can't change that.
"We saw a nice little kick in behind, an offload for a try".
But he was drawn back to it through further questioning and he may yet have more to say once the game's officials review the Test in the coming days. "You've got to give a lot of credit to the British and Irish Lions for that".