It's never easy playing 36 holes when you are concentrating so much for all the shots.

A 3-foot putt can be more nerve-racking than a 9-foot putt because a 3-foot putt you should be getting in. A 9-footer, there's a chance it won't go in.

Two weeks ago at the U.S. Amateur, my mom caddied, and that is kind of a different feeling, because she's your mom and you have to listen to her. It was really comfortable having my mom there, but it's also really relieving and comfortable to have someone that knows the course off their hat, really.

Golf is like 99.9 percent of my life, and then there's school. I don't get much time to go out with my friends.

I've got a couple of years until I turn pro so I guess within that period hopefully I'll be able to get a little bit better.

If I make a bogey or three putt I'm on fire inside. But it's not like you're going to play any better slamming your club or getting angry. So you might as well just keep it in. People say I'm pretty calm, but I do make mistakes and I do get angry, but I try and not show it.

I've played such good golf, and it was hard coming up and it wasn't easy in any matches or any shots. It means a lot. I think hopefully it will mean a lot to New Zealand because I'm the next winner of the U.S. Amateur after Danny Lee.