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Monday morning. A new day, a new week. Changing in the locker room, Meredith had absolutely nothing on her mind except the McDreaminess of last night, and the complete mess she had landed in because of it. She had chosen Finn. Finn.

"This will not go any further with Derek." Meredith told herself as Christina walked in.

"Hey." She greeted, but was rudely ignored. "Uh, hello?" She waved a hand in front of Meredith's face.

"Oh, sorry. Hi." Meredith feebly smiled.

"What's in your head?"

"Finn." She lied.

"Ah, and how goes it with the vet?" Christina smiled.

"Great. Good." Meredith said, looking to her shoes and twiddling her fingers.

"Not so good?" Christina pried.

"No, good. Well, not good, but not not good with Finn, good with Finn – great with Finn actually, but –"

"Seriously Mer, I am about to hit you." Christina warned, changing her top.

"I slept with Derek." Meredith confessed. "Twice."

Christina gasped. "You did the McNasty with McDreamy while seeing the vet?"

Meredith sighed. "No more 'Mc' jokes, please. This is a horrible, horrible situation, and I have done a horrible, horrible thing to Finn. Saturday was a drunken mistake, but Sunday was sorta my fault in the he-invited-himself-over way."

"And forced himself into your pants way." She smiled and Meredith nudged her.

"Evil." She did the evil eyes. "This is a horrible situation."

"You've said that." Christina said dryly.

"Hey, I'm in pain, I'm allowed to repeat." Meredith whined.

"Yeah, I can see how two unbelievably hot guys who both want to sleep with you can be painful." She rolled her eyes and headed for the door with Meredith following along.

"I could really use some friend-like support and advise now please." Meredith groaned.

"Meredith, I have rounds, so I will part from you with this advise –"

"Doctor Yang, does this look right to you?" A young resident interrupted with an x-ray.

Christina looked it over and replied, "That finger looks disjointed. Put it on a splint and it should heal in a few weeks." The resident nodded and moved off, as did Christina.

"Hey! What about my advice?" Meredith yelled after her.

Christina turned around. "Right. Don't do anything I wouldn't do." She smiled, knowing that would be of no help.

"I think I'm past that stage." She muttered to herself.

"Talking to yourself?" Derek said from behind, making Meredith jump. "You're jumpy this morning."

"I didn't get much sleep." She replied coldly and walked off, but could feel him following behind her.

"Hey, what did I do to deserve the cold shoulder?" Derek asked.

"Oh, I think you know." Meredith chuffed.

"So what, I'm to blame for us having sex?" He asked loudly.

Meredith looked around and dragged him into a storage closet. "Would you lower your voice?"

Derek looked around. "Haven't we done this before?" Meredith gave him a hard look. "What?" He smiled. "It's not like every person in the hospital doesn't know that we've slept together before."

"I have this new policy where I don't share my private life with the world of work." Meredith hissed. "While we are at work, you are Doctor Shepherd and I am Doctor Grey."

"And when we're not at work?" Derek smiled seductively.

"You're still married." She fake smiled.

"And you're still with Finn." It was more of a statement than a question.

"Yes."

"But you didn't tell him about our weekend?"

"No." Meredith replied.

"And you're not going to?"

"Right." She folded her arms.

"Now that doesn't seem very honest." Derek rested his arm on the door, trapping her against it.

"It won't happen again. Last night –"

"Don't forget about Saturday." He smiled.

"Saturday was a drunken mistake. Last night was closure." Meredith said.

"That's a little cold." Derek said, brushing her hair out of her face.

"And stop doing that!" She grabbed his hand, but he just used it to pull her closer. Their lips brushed against each other. "No." She breathed and moved away. "This isn't anything Derek, it's just stupid, meaningless sex. Finn loves me and –"

"And so do I." Derek blurted out. "I love you."

"Just words." Meredith sighed, and Derek was taken aback.

"So you believe it when Finn says it, but not me? Why would I lie?" Derek asked, his voice getting louder.

"Finn has never lied to me. He has never hurt me. He isn't married." Meredith said forcefully. "I can't trust what you say. I feel that anything I enter into with you will just be a journey of self-sabotage on your part, and I do not need that. Finn is fun, it's easier with him than it ever was with you."

A few seconds of silence went by. "Meredith," He clasped her hands in his own. "If nothing else, this I promise you. I will be divorced as of Wednesday, I love you so much I'm sick to think of you with anyone else and I will never, ever hurt you again."

She looked at him silently for a split second. "Don't make promises you can't keep, Derek." She opened the door and walked out, only to be greeted by lots of faces staring at her.