'Titanic' made me want to tell stories... To have all these characters and costumes and have ambition and think big and have dreams... It came at a very troubled period of my life.

I was a very violent kid. I think movies and writing and art have been a way of channeling this.

I made a big mistake of my life.

For me, 'Mommy' was about developing very humane characters that would be very credible and endearing and work onscreen.

If I had done 'Titanic,' it would have made, probably, $200,000 - worldwide. So I think my life would have been very, very similar.

Here's the thing with the costumes for 'Mommy': Given the background and social strata that the characters come from, you can't really imagine that they've gone shopping lately, so we went for that very normcore, fashionless era in history, the early 2000s, which was completely transitional.