"If we have come up with a creative decision and somebody comes up with another idea, you do have to get into the depths of it and ask: "Is it a better idea? Or is it a different idea?" That can be hard. But that's the type of conversation the director and I will have, or as part of our creative groups. So with that in mind, it's hard to keep a budget in line. It's like in life, if you've ever built anything for the first time you're usually better at it the second time."