Things you only notice in The O.C. as an adult  It's not really an exaggeration to say that The O.C. is one of the most beloved TV series of all time, and not just because it gave us a new national holiday. Despite airing in 2003 and catering to an audience of then-teens, so much of Josh Schwartz's seminal show remains super relevant today, which means revisiting our pals in Orange County always guarantees a good time. Yet, it's not just getting back into the Cali groove that keeps us coming back for more. No, it's also that The O.C. is...