The All Blacks loosehead prop is back at home in Auckland preparing for the arrival of twins, following a breakout season in which he's gone from an uncontracted Super Rugby player to playing 13 tests.
Tu'inukuafe told Nine to Noon it's been a crazy year.
"I still need to pinch myself on the daily," he said.
"Just wondering how lucky I am, being where I am and being able to support my family.
"Just really, really grateful and happy."