who did ryan end up with on the oc
Ryan Atwood In a flashforward, Ryan attends UC Berkeley, where Sandy is now a law professor. At Seth and Summer's wedding, he is best man and shares a smile with Taylor, the maid of honor (their relationship status is left ambiguous). Ryan achieves his dream of becoming an architect. As he walks away from a construction site, he notices a teenager down on his luck, seemingly in the same situation Ryan was when he was kicked out of his home. As he offers the youth help, Ryan's story comes full circle.
Marissa Cooper Marissa’s first romantic relationship on the show is with water polo player Luke Ward. Their relationship begins prior to the Premiere. Marissa and Luke’s relationship stems back to the fifth grade on a class trip to the Museum of Tolerance.  After much hesitation, Marissa decides to lose her virginity to Luke. Issues in Marissa and Luke’s relationship constantly arise, making the viewer question if they really are in love. On a trip to Tijuana, Marissa discovers Luke cheating on her with one of her friends, Holly Fischer, on the dance floor in a club.[12] Marissa breaks up with Luke, who later begins an affair with her mother, Julie Cooper.[13] Luke and Marissa’s tumultuous relationship evolves into a mature friendship by the second season. The two realize that they may not be the most compatible couple but can benefit from each other's friendship and support.