In building the house she shares with her two children—Zachary, 15, and Sasha, 11—Eileen applied the same rigorous discipline she brings to creating her minimalist clothing designs. "Simple is hard to do," she observes. "But when you get there, it's so liberating. It means taking away things to arrive at just the right elements. I have a chaotic brain, but here I feel calm and organized. It's a relief."