Note: I don't own The O.C. Please R&R and Thank you for reading my li'l story :)

Marissa and Summer walked into Theresa's hospital room right as Ryan leaned in to kiss Theresa. They both looked up but it was too late - Marissa had run out of the room and was on her way to the elevator.
Summer didn't know what to say, so she apologized and went after Marissa.
"Coop!" she yelled down the hallway. She caught up to Marissa and tried to comfort her. Ryan came down the hall to them and said he was sorry, they should talk.
"I'll just wait in the lobby," Summer said.

"I'm sorry, it just - it just happened. Literally, just now. We weren't together, I swear." Ryan wanted Marissa to stop crying.
"You expect me to believe that you've been living with her all these months and nothing happened? Not that it matters, since you broke up with me when I started . . . drinking," she looked at the floor. She didn't want Ryan to see her cry. "But you told me you wanted to be alone for a while!"
"I have been," he pleaded, "I swear. You have to believe me. I mean, I've known Theresa my whole life and I - I still . . ." he trailed off.
"You still love her," Marissa finished.
Ryan nodded. "I'm just really confused right now," he said, "Because I still care about you, but I couldn't go through what my mom did to our family all over again. I couldn't stand by and watch you ruin your life."
"I quit drinking. I spent the last four months in rehab for you. You think I did that for my mom? Or even my dad? I did it for you, Ryan, and this is my welcome home," she pointed towards Theresa's hospital room.
"Look," he said, "I'm really sorry. I don't know what to say."
"You don't have to say anything. I have to go," she started crying again and got on the elevator and left.
Ryan stood there, confused, worried for Marissa, and anxious about his new life as a father.

When he got back to Theresa's room, she was asleep and the nurse advised Ryan that a paternity test had been set up and he needed to go to room 214. When they got the results, they could finish filling out little Samantha's birth certificate. He left the room to go take the test, and find out if he really was a daddy now.

"They were probably just emotional over the baby," Summer said, trying to calm Marissa down. They were in Summer's car, but not driving yet. "People kiss when they're really happy or overwhelmed or . . ."
"In love," Marissa said sarcastically and crossed her arms. "I don't want to talk about it, I just want to go home and sleep. I woke up at 5:30 this morning for hospital discharge."
"Okay," Summer said and started the car, but she was worried about Marissa.

That night Ryan slept on a pull-out chair cot next to Theresa's hospital bed. When he awoke, Theresa was awake, holding the baby.
"Hey," Ryan said sleepily.
"Good morning," Theresa smiled. She was feeding Samantha and looked very happy.
Ryan joined them and looked at the tiny baby.
"Is Marissa okay?" Theresa asked.
"I don't know, I haven't talked to her since . . ."
"You should call her," Theresa said. "She was so vulnerable yesterday and I'm sure seeing us, you know, well, I'm sure she was pretty upset." Theresa was genuinely concerned, and Ryan kissed her on the forehead before leaving the room to get some coffee and call Marissa.

He called her from a phone at the nursing station desk and when she picked up he asked how she was doing. She said she was fine, but didn't sound like it.
"So I guess you're the baby's father?" she asked rudely.
"I don't know, uh, we don't know yet. We're supposed to get the results this afternoon."
"Well, good luck with that, I can tell you really hope she's yours."
"Marissa-" Ryan started but she cut him off.
"No, I think it's really great. You have a whole new family and life and no need for me anymore. Why are you even calling?"
"Marissa, please . ." Ryan wanted her to be okay. He never wanted to hurt her, but didn't know what to do.
"Please what? Be happy for you? Oh, I am, I'm so glad that you're happy now with everything. Look, I have to go. I'm fine, don't worry about me," she said and hung up before Ryan could say anything. He thought about what she said, and she was right about one thing - he did hope that Samantha was his baby.

Seth had just woken up and was on his way to the kitchen wearing his robe and pajamas when the doorbell rang. He answered the door to find Summer, nervously waiting for him to invite her in. When he did, she asked if they could talk. They walked into the kitchen to chat, but Sandy and Kirsten were in there eating breakfast.

"Oh, hi Summer," Sandy said loudly.
"Hi Mr. Cohen," she said and turned to Kirsten. "Mrs. Cohen."
"Hi, kids," Kirsten said, then paused. "Oh, Seth, your father and I were just leaving to go, uh, look at those new gardenias the gardener planted."
"We were?" Sandy asked confused, then realized they were leaving so Seth and Summer could be alone. "Oh, yeah, we were," he grabbed his coffee and bagel before following Kirsten out of the kitchen.

"So, you couldn't resist the Cohen charm?" Seth joked, and Summer hit him on the arm. "Okay, okay, sorry. What brings you here on this lovely morning?"
"Well, uh, I don't . . ." she couldn't think of what to say, but she knew what she wanted to do. She grabbed Seth by the face and pulled him toward her. She kissed him long and hard, then pushed him away. "I miss you," she said finally.
Seth smiled and leaned in to kiss her again, but she hit him on the arm. "Owww," he whined.
"How could you just leave without saying . . anything?!"
"Summer, you almost broke up with me because your dad didn't like me! My best friend left and I figured if I had to spend the summer - no pun intended - by myself, I'd rather do it away from Newport Beach society snobs."
"Oh," Summer realized why Seth left. It wasn't just about Ryan, it was about her too. She was flattered in a way, and finally gave in and kissed Seth again.
"Summer, does this mean . . . you and I . . . are, you know?" Seth asked with a huge grin on his face.
"Back together?" she finished. "Only if you promise never to skip town without telling me - or better yet without taking me with you first."
"Okay, it's a deal," he said and they continued kissing.

Ryan and Theresa sat in the hospital later that day awaiting the results of the paternity test. They were both nervous. Theresa's mother had finally made it to Newport Beach and was taking Samantha for a walk around the hospital.
A tall man walked in the room with a file in his hand. Ryan and Theresa sat up straight and looked at each other. "Here goes," she said.
"Ryan Atwood?" the man said and looked at Ryan.
"Yes, that's me," Ryan replied
"The results of your paternity test," he said as he handed Ryan a sheet of paper, "were negative. You are not the father of this baby."
Ryan stared at the paper with a blank look on his face. He was not relieved, he was sad. He wanted to do something right by Theresa, the girl he had loved and lived next to his entire life. The tall man left and Ryan started to say sorry to Theresa.
"It's okay, Ryan. We both knew this was a possiblity," Theresa said and started to get out of bed. Ryan was confused - it looked like Theresa was relieved.
"You're, you're okay with this?" he asked.
"It's better this way, because now, if you still stick around, I'll know it's because you want to." She said as she started to get dressed. "I'm going to the cafeteria, are you hungry? . . . Ryan?"
"Uh, yeah," he said, still baffled by her response to the news that he was not the father of the baby.
She finished dressing and said she would be back soon.