I was reading "Parisian Chic: A Style Guide" last night (which was a gift from my sister), and I found myself nodding my head a lot. I've always agreed with the way the Parisians live their lives, the way the dress, and the way they think. This book has already proven to be a great guide that supports all of these things.
For instance - the way they dress. The book suggests to never shop with the intention of buying an outfit - only purchase pieces that you love. The things that feel comfortable and that express your personality will find their way into your daily outfits - you don't need to plan much more than that.