2003 was a formative year for men's style. Think about it: Style icons included Ashton Kutcher and Pharrell Williams, the illest brands were Von Dutch, 7 For All Mankind, and True Religion. Streetwear was still huge, and today's slim-suited man—well, he didn't exist yet. As we've sartorially evolved from then to now, there are some things we learned along the way. Among them: whether celebrity style is worth paying attention to, if being into clothes is sus, and if it's worth buying so much new gear to maintain your freshness. Here are 10 Things We Wish We Knew About Style 10 Years Ago.