Adam Brody reflects on his experience on ‘The O.C,’ 20 years after the show’s debut. The actor opens up to ET about what he’d tell his younger self, after admitting in ‘Welcome to the O.C.: The Oral History’ that he made his feelings on set known when he grew displeased with the direction of the series. Plus, the actor opens up about wife Leighton Meester as they approach their 10th wedding anniversary in February. Adam also dishes on his role in ‘American Fiction,’ in select theaters on Dec. 15 and released wide on Dec. 22.