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DISCLAIMER: I don't own the song. It is called "If I Didn't Know Better" off of the TV Show Nashville I also don't own Law and Order SVU Dick Wolf does.

Hope you Enjoy! :)

They had a hard case. Elliot and Olivia decided to have a couple drinks after work because of it. Elliot was also drinking because him and his wife are constantly fighting. They had been drinking for a while now and they were both starting to get a little tipsy.

"Hey Liv, truth or dare?" Olivia chuckled and downed another shot. "What are we in middle school again?"

"Smartass," he scoffed, "I'm serious truth or dare?"

She didn't know if it was the alcohol in her system or what but she instantly said, "Truth." This obviously shocked Elliot as he started choking on his beer. Then he suddenly got an evil gleam in his eye he leaned to her and whispered in her ear, "If I asked you to come with me back to my place what would you say?"

Olivia's smirk that she previously had on her face completely disappeared. She looked like a deer in the headlights. "I think your wife would say no to that idea," she said attempting to lighten the mood.

But Elliot didn't laugh he didn't even blink. He continued to stare at her when he whispered, "What would you say."

She looked down at her hands then back up at Elliot and barely whispered, "If I didn't know better…I would say yes. But I do know better and that's never going to happen," she quickly finished. Olivia then took a long gulp of her beer.

If I didn't know better

I'd hang my hat right there

If I didn't know better

I'd follow you up the stairs

They both then returned to an awkward silence. But that soon was forgotten as they drank more and began to loosen up even more than they already had. Olivia laughed and her hair fell into her eyes but before she could move it Elliot's hand already had.

With his hand still holding a piece of her hair looking into her dark chocolate eyes he said, "Liv you look so beautiful." She blushed and turned away. But his hand reached for her chin and made her look at him, "I mean it Liv, you always look beautiful." He slowly began to lean in before their lips made contact Olivia used what little control she had and abruptly pulled back.

She excused herself to the bathroom and all that was going through her head was the fact that he was about to kiss her. This can't be happening, she thought, he has a wife and kids at home. I must have misunderstood what he was doing it was probably nothing.

But even as she thought that she knew it wasn't true. Maybe I should switch to water just in case, she thought. With that decision in mind she left the bathroom and headed back to the booth where he was sitting.

Stop saying those sweet things

You know I like to hear

The horns are blowing louder

The bailiffs drawing near

When she came back he acted as if nothing happened and ordered her another beer. She was about to decline it but he had already bought it and she didn't think any harm would come from just one drink.

That one drink turned into two then to shots and by this time Olivia had lost track and didn't much care at the moment. She looked at Elliot and he gave her one of his special reserved only for her smiles that made his eyes sparkle.

At the same time Elliot was feeling the same way Liv was. He looked at her and realized how truly beautiful she was. They way her hair was cascading down her shoulders, the slight smirk that she had on her cherry red lips. Oh how he fantasized about those lips and how felt all over his body at night while with his wife. Before he could get too caught up in his fantasy he realized she was talking to him.

"What was that Liv?"

She chuckled, "I asked if you wanted another drink."

"Sure," he said.

Why do I keep drinking

Wasting my time on you

If I didn't know better

Damn it I do

She got up from the booth and headed towards the bar oblivious to the fact that every man was watching her as she walked, including Elliot. As she was ordering the drinks a man finally got up the courage and walked over to talk to her. Elliot's hands clenched and the vein in his neck was bulging whoever this guy was he didn't like him.

Up at the bar Olivia immediately noticed the guy walking towards her. He was actually a pretty attractive man.

"Hey my name is Tony," he said looking her up and down licking his lips slightly.

"Olivia," she said slightly adjusting her black dress that made her legs go on for miles.

They began making small talk and Olivia could feel Elliot's intense glare hitting her in the back. They were in the middle of flirting when Olivia's drinks came. "If you ever feel like meeting up again feel free to call me," he said leaving her his card.

She smirked thinking she might just take him up on his offer just to get Elliot out of her head. She walked back to the table where Elliot was practically ready to burst into flames.

He grumbled a thank you and chugged half of his beer. Olivia noticed him starring at Tony's business card he had given her moments ago.

"You know I'm probably not going to call him right," she said looking down at the card herself. After she said that with surprising speed he picked the card off the table and tore it to pieces. When Olivia looked up at him shocked he just smirked and took a drink of his beer.

There's a hole in what you're saying

I can plainly see

You have a lover that's waiting, but baby

You're right here with me

They both continued to drink until it was around 3 in the morning. By this time both of the detectives where far passed drunk and were on the same side of the booth. Elliot's hand was just above Olivia's knee and he was slowly making circles with his thumb.

Holding back a moan Olivia tried to concentrate on anything besides Elliot's hand slowly creeping up her leg. It was damn near impossible for her to concentrate on anything besides her gorgeous partner who she has had feelings about for years.

"Do you want to get out of…" she asked. Before she could even finish the question Elliot was pulling her out of the bar and out into the alley next to it.

She gasped when she felt his lips on her neck, pushing her up against the concrete wall. She knew it was wrong but she couldn't control the moan that escaped her lips as his lips reached her ear lobe.

He knew that he should stop but he couldn't. The noises that she was making, they way she looked in that dress it was all too tempting. He began to move his hand slowly up and down her leg feeling the muscles beneath his fingers and he continued sucking her neck.

Her breath hitched when he began sucking on the spot behind her ear. He knew he had her then. Removing the hand he had on her thigh he reached up and slowly turned her head so they were now facing each other.

His blue eyes met her brown ones and in an instant their lips connected.

Ooh you might as well be the devil

Keeping me out past three

Well you're the one with the apple

But, baby you can't blame me

Sparks flew the second their lips made contact. They both moaned into the kiss as Elliot's hands came to rest on Olivia's hips. Elliot's tongue made its way into Olivia's mouth and they began fighting for dominance. He instantly became addicted to her taste with the slight hint of the alcohol from before.

The kiss seemed to go on forever. When they finally broke apart for air it wasn't long before Elliot's mouth returned to Olivia's his kisses becoming more and more frenzied. Her kisses had the same intensity as his. They matched each other kiss for kiss.

When his lips trailed down her neck again and back up to her ear he huskily whispered, "I want you." Both of their breathing now was coming out in short breaths and neither one could keep their hands off each other.

Once again he whispered in her ear, "I want you tonight."

Tonight. That word stuck out in Olivia's mind. Even as Elliot continued kissing up and down her neck pushing her harder into the wall. All she could think about was the fact that he wanted her… only for tonight.

At that moment she instantly sobered up and pushed Elliot away from her.

Why don't you keep drinking

Give me one night with you

He looked up shocked at the sudden change in her mood. Before he could speak Olivia beat him to it.

"You are married," she spat at him. "How could you…. How could I…. What if we…." She was so angry, at mostly herself, that she couldn't even finish any of her sentences.

"Damn it Liv. It has been a loveless marriage for months!" he said taking a step towards her. "Kissing you has showed me that!" he took another step towards her. She couldn't back away any more because she was up against the wall.

When he was mere inches in front of her he whispered, "Tell me you don't feel anything when I kiss you. Tell me you don't want to do this as much as I do."

When she didn't reply he kissed her but when Olivia realized what was happening she pulled back immediately and slapped him.

"You are married!" she screamed at him. With tears in her eyes she said, "I can't do this anymore El." Then she turned and left him standing there shocked in the alley before he could see the tears fall.

If I didn't know better

She walked back to her apartment with tears streaming down her face along with the makeup she put on the day before. Once she was in her apartment he laid down on the couch and cried herself to sleep and the next morning she called in sick to work knowing he would be there waiting for her.

But damn it I do...

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