Having three young kids didn't make it easy for Derek to have alone time with his wife. Their sex life certainly wasn't lacking but it was usually a quickie in the hallway closet, in the morning before the kids woke up or at night after they'd gone to bed. And today was no different. Just when Derek thought he finally had some time alone with his wife, Hunter had knocked on their bedroom door and told them he had forgotten to finish part of his homework. So instead of finishing what they started, they had gone off to work like usual and Derek couldn't wait until he could find his wife and pull her away for a moment alone. When he saw her walking down the hall in his direction after finishing up with a patient, he quickly grabbed her arm and pulled her into the nearest on-call room, quickly locking the door. "Finally...we're alone."

"Derek!" She gasped, wrapping her arms around him.

"I've been so horny since this morning." He laughed, kissing his wife.

"Oh me too..." She pulled her top over her head.

"I don't have anywhere to be for two hours." He pulled his scrub top off and tossed it to the side.

"Good." Meredith pushed his pants down, noticing that he almost instantly grew hard.

"Thank goodness we work in the same place." He put his lips on her neck.

"Oh...shit."

"Mmm..." He moaned, pulling her down on the small bed

"I took one of those test things in OB...I'm ovulating."

"Yeah?"

"Uh huh."

"Then we better get going." He laughed.

"Yeah..." Meredith ran her hands over her breasts.

"You really want this?" Derek whispered.

"Yes..."

"Me too."

"Derek..."

"Hmm?"

"I need you."

"You got me." He breathed, kissing her hard.

"Oh!" She moaned, her body arching against him as he pushed himself into her.

"Fuck..."

"Oh my god..." Meredith pushed on his shoulders as she bucked her hips against his.

"Oh...Mer..." Derek moaned, running his hands down her body.

"Fuck...harder..."

"Mmm...oh..."

"Derek..." Meredith moved her hips against him, feeling him deep inside of her.

"Meredith..." He groaned, grabbing her ass as he pushed himself as hard as he could into her.

"Oh...shit...oh..." Meredith wrapped her legs around his waist.

"Yes..."

"Shh..." She giggled, kissing him hard.

""Oh..."

"My...oh my...Derek!" Meredith moaned, playing with the curls on the back of his neck.

"I'm...oh fuck!" Derek gasped, slamming himself into her one last time. "Oh..."

"Derek...oh..." Meredith felt him spill into her. Her body began to shake and she fell against the bed.

"I..."

"Oh my..." Meredith ran her hands over her hair.

"We're...good at that."

"And people said our sex life would die when we had kids."

"They obviously don't know us very well."

"And to think we only planned on one kid." Meredith laughed.

"We got better the more we had." Derek smiled.

"Are we crazy to try and get pregnant again?"

"I don't think so."

"We only tried for a year before we adopted Zola and maybe it would have happened because a year isn't really that bad but...what if we can't get pregnant?"

"Then we'll...cross that bridge when we come to it."

"Mmm...the kids would love another baby."

"Can you imagine Zola as a big sister?" Derek smiled, wrapping his arms around Meredith.

"I can."

"We'll make it happen."

"I...are we done after this?"

"Four seems like a good number."

"It does...so..."

"One more."

"One." Meredith winked.

"And then we stop." Derek breathed.

"Feels weird to say we're done." Meredith was surprised. They had planned on one child, then after a few years Derek had expressed interest in another baby. It was a few years after Ava was born that Meredith then got the itch.

"I know."

"Ava asked me this morning if she could wear lip gloss like me."

"I guess that means she's feeling better."

"The virus has passed...now we just have to hope Hunter and Zola don't get it."

"I hated seeing her like that" Derek sighed, running his fingers though Meredith's hair.

"I know but she's finally bouncing back." Meredith leaned forward kissing him again.

"We should go to the zoo this weekend...before it gets too cold."

"Yes and I want to take them to go see the movie with the talking cats. Hunter has been so excited."

"They have a day off from school next week don't they?"

"They do and maybe Holly can watch Zola." Meredith replied. They loved their sitter and with all of their family and friends being in New York it helped to have someone the kids enjoyed.

"I'll ask her tonight when I pick Zola up." Derek smiled, kissing her softly.

"Perfect."

"Mmm..."

"Oh and we need to get the dates for Ava's first dance recital...that way we can make sure we both have it off. It should be in November."

"They have to pick their Halloween costumes too."

"I want Zola to be a pumpkin."

"She's the easy one since she doesn't get a say." Derek laughed.

"She is." Meredith laughed.

"Ava said something about being a ballerina...which would be easy."

"I loved last year when she went as an Angel."

"That was really cute." He laughed.

"She's so little she would fit into the costume again." Meredith replied. "Too bad she'll want something completely different."

"Hunter will be easy."

"Ninja...pirate or...baseball player."

"If I had my choice he'd be a baseball player. I have my old glove in the basement."

"Oh kids!"

"We should dress up too."

"What?"

"You and I...we should dress up too. It would be fun."

"Oh..."

"Or we could just dress up that night...after the kids go to bed." Derek smirked at her.

"Dirty..." Meredith giggled as his phone rang.

"Crap." He groaned.

"If it's Mark tell him he has shitty timing."

"It's the school." Derek frowned, answering the phone.

"Oh." Meredith frowned, sitting up and reaching for her bra. She was trying to figure out in her head if she had forgotten Hunter's lunch.

"Hello...yes this is he...oh...is she okay? Okay...we'll be there as soon as we can. Thank you."

"Ava?" Meredith swallowed as Derek hung up.

"She's running a fever and won't get up from the bed in the nurses office." Derek told his wife, reaching for his scrub top.

"I...she had a fever two days ago."

"I know."

"I...do you need me to go get her?"

"No I'll get her."

"Okay." Meredith stood and started to get dressed. "Derek this has been going on for a couple of weeks now between the exhaustion and the fever and appetite. Maybe you should bring her here and she can see a doctor."

"Do you want to make an appointment while I go get her?"

"Yeah and I want to talk to Dr. Bryson about getting some tests run."

"I'm sure she's fine. We just...you know..." He sighed.

"Well she might have a deficiency or something."

"I better go."

"Love you." Meredith kissed him quickly before he opened the door.

"I love you too." Derek smiled weakly, hurrying off down the hallway. He would have been lying if he said he wasn't worried. Ava was such a high spirited, energetic girl and it was weird for her to be acting like this. Even when she caught a cold or a virus, she usually bounced back in a few days and now she was sick and not getting better. But they would take her to one of the doctors at the hospital and figure out what was wrong and make it right.