Mark and Addison's relationship has always been my secondo preferito relationship behind Derek and Meredith. Addison was miserable and unhappy because she knew Derek loved Meredith. "He's just... the only people who don't know that Derek loves Meredith are Derek and Meredith." Mark admitted to Addison that he knew that Derek was in Amore with Meredith ano not her. "He’s not in Amore with you. He’s in Amore with that intern. He’s not even trying to hide it. Why would te want to stick around for that?" After Derek met Meredith and she decided to data both him and Finn, he saw Mark coming out...