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Meredith's eyes opened the next morning to the burning sunlight; she felt the rise and fall of Ava's body beneath her hand. She smiled slightly as she saw Derek still asleep with his arms trying to hang over both of them. She slowly sat up careful not to wake either of them and started to walk downstairs when she heard gurgling coming from Izzie's room, where Leah was staying she walked into the room to see Leah awake and sitting up in the playpen.

"Hi Leah." said Meredith as cheerfully as she could, due to that it was still very early in the morning. "Why are up so early?" asked Meredith as she walked over to the playpen.

Leah's face immediately scrunched up and she began to cry. Meredith's eyes nervously darted from the door, debating whether or not to go get Derek.

"I'm going to get Uncle Derek Leah." said Meredith quickly leaving the room, leaving Leah to cry.

Meredith quickly walked into the room to hear giggling and opened the door to see Derek tickling a now awake Ava. She smiled as he playfully interacted with his niece. He looked up to see her standing there.

"Hey you're up early." Derek commented with a smile.

"Leah's actually crying and I didn't want too…. I wasn't sure what to do." admitted Meredith.

Derek looked up and smiled at her before gently walking to where she was standing. "You were fine with Ava last night you would've been fine." said Derek as he kissed her quickly before leaving to go tend to Leah.

"Aunt Meredith!" said Ava excitedly as she stood up on the bed.

Meredith eyes lit up at the girl's happiness, but soon filled with worry as she saw what she was doing. "Whoa, let's sit down okay Ava" said Meredith as she reached out her hands to steady the little girl.

"May I jump into your arms?" Ava asked politely, with a twinkle in her eyes.

Meredith smiled at how much of Derek's cheekiness she saw right then and there. "Fine but only once. Ready? One… Two… Three!' said Meredith as she picked the little girl up in the air and then settled her on her hip.

Ava's giggled were heard throughout the room." That was fun." squealed Ava as she turned her head so she was talking to Meredith in her arms.

Meredith smiled. "Why don't we go see what Uncle Derek and Leah are up to?" suggested Meredith as she started walking towards Izzie's room. She smiled when she saw Derek blowing raspberries on Leah's belly and heard her laughing.

"She's okay?" asked Meredith as she walked into the room with Ava in her arms.

"Perfectly fine, just needed her diaper changed." said Derek with a slightly disgusted face.

Meredith laughed slightly. "Then boy oh boy am I glad I came and got you."

"Oh don't worry." started Derek as he picked Leah up. "She and I will get you back later." teased Derek.

Meredith laughed as they walked down the stairs and into the living room. She set Ava down to play with her toys as Derek handed Leah to Meredith, while he got her a bottle. Meredith smiled as she watched the baby's eyes look around in amazement.

"The world's a pretty neat place huh." said Meredith tenderly as she rubbed her tiny fingers.

Derek walked into the room to see Meredith interacting with Leah and everything felt right. This could be them a few years from now, and Derek couldn't wait. And he was almost positive neither could Meredith.

Meredith looked up and smiled at Derek. "She's so cute and tiny and doesn't know what's going on out there in the world. So innocent and pure, god I wish we could keep babies from experiencing it." said Meredith with a laugh as she went to hand Derek, Leah so he could feed her.

Derek stopped her. "Why don't you do it?" suggested Derek.

Meredith looked up and laughed nervously. "I've never fed a baby before." said Meredith as she propped Leah up in her arms.

"Well you're about too." said Derek as he sat down next to her and handed her the bottle. He watched as Meredith carefully brought the bottle to the baby's mouth. She the held it in place for Leah until the she grabbed it on her own, she then sat there and just watched.

"Uncle Derek?" asked Ava walking over to the couch.

"Yes Ava?" said Derek as he picked his pajama clad niece up and sat her on his knees.

"Can we go outside?" asked Ava.

Derek laughed at Ava's excitement to go outside and play. "Well how about after we eat breakfast?" suggested Derek." Even better, how about we pack lunch and then Aunt Meredith and I will take you and your sister to the park."

"Okay." said Ava as she hopped down and went back to what she was doing.

Derek turned towards Meredith. "So want to help me with breakfast?" asked Derek.

"And risk causing a fire in front of your nieces. I don't think so." said Meredith with a giggle.

"Right good point. You just stay here." said Derek as he kissed her cheek and headed for the kitchen. "We don't need any fires." teased Derek.

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Meredith sighed as she pulled a jacket onto Leah. It was mid November and very cold in Seattle.

"Derek… maybe we shouldn't take them outside, it looks really cold." said Meredith as she handed Leah to him so he could strap her into the stroller.

"I assure you it's not that bad outside." said Derek with a smirk at Meredith, for her being protective of the two little girls.

"Fine, but when I freeze to death, you were warned." said Meredith as a joke, but immediately regretted saying the words knowing it would bring back pained memories for Derek. "Derek… I'm sorry I didn't..." rambled Meredith as she put her hand on his cheek.

Derek smiled weakly. "Nobody is freezing to death today, not on my watch." said Derek as he kissed her cheek and held the door open so Meredith could push the stroller out the door. It took them about ten minutes to walk to the nearest park and when they did, Ava immediately asked to get out and started to run towards the slide with Derek right behind her. Meredith smiled and shook her head as she pushed Leah in the stroller over to the nearest bench where she sat down.

"Your Uncle Derek is a big kid." said Meredith as she tickled the baby's belly. She laughed and then whimpered slightly when a breeze blew by. "I know it's too cold to be out here." said Meredith as she lifted her out of the stroller and sat her in her lap. She then grabbed a blanket they had brought with them. She carefully snuggled the baby in it. "There now your Aunt Meredith will just shiver." joked Meredith as Derek walked back over as Ava sat and played in the sand box.

"No she won't." said Derek as he wrapped his arm around her and rubbed slightly.

Meredith smiled appreciatively. "Go play with her, you know you want to." kidded Meredith.

Derek smiled. "Alright I'll be right over there." said Derek as went and played with Ava. Meredith laughed slightly as he sat in the sand box with her.

An elderly woman came and sat in the spot Derek was sitting in. She smiled at the baby and Meredith. "Your daughter's beautiful." she commented.

Meredith smiled kindly at the woman. "Thank you… but she's my boyfriend's niece, we're babysitting her and her sister." said Meredith.

The old woman clucked her tongue as she stood up and waved to what Meredith presumed to be her husband. "Just as well your kids will be even cuter." winked the woman before leaving.

Meredith smiled as Leah cooed in her arms and sucked on the toy Meredith had given her. "Did you hear that? She's thinks you're beautiful."

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Three nights later, the girls left, sleeping away they were carried by their parents back to the car and back home to New York. After much promising from Derek and her that they would come and visit soon and a humongous thank you, they finally left leaving Derek and Meredith to collapse on the bed.

"Uh." said Meredith as she flopped onto the bed. "We don't have too…" said Meredith knowing she and Derek had patiently waited till the girl's left.

"No... we don't." said Derek as he collapsed next to her pulling her into his arms. They both sighed contently as they shut the lights off.

"Derek?" said Meredith as she laid her head on his chest. "Remember something for me, will you. "said Meredith.

"Okay." responded Derek sleepily.

"No matter how much you bed, it is marriage, then baby." said Meredith with a smile.

Derek smiled as he stroked her hair. "That's a deal, we're ready to be with kids, but only if we can give them back." said Derek as Meredith smiled. "We'll be ready one day though."

"Yeah, one day soon."

Review! New chapter will be posted faster! Hope everyone liked all the Meredith, boding and learning she can handle a baby sometime in the near future. Remember reviews make my day!