AN/ Hey everyone, thanks for reading! This is just a little story that popped into my head while listening to music, I thought we haven't had that much Linstead drama lately so I wanted to spice it up. Thanks to Danielle and Alyssa for giving me some ideas!

Disclaimer: I OWN NOTHING! (besides my thoughts)

Do you ever get that feeling in your gut saying not to do something? Do you ever ignore that feeling? Do you regret that feeling? Does this feeling swallow you whole? Make you feel the worst guilt in your life? Does it make you wish you had never done something? Met someone? Fallen in lust? Fallen in love? Broken that one heart you swore you would never break? Destroy you? Consume you? Kill you on the inside? If you answered yes to any of these, you might just be Erin Lindsay.

It was the first week of spring in Chicago. It wasn't anywhere near warm but, it was defiantly a step up from the snow they had just two days prior.

Everyone was gathered in the bullpen at their respected desks. All except two very important detectives. Erin and Jay.

"Where the hell is Erin and her boy-toy?" Hank came out of his office not too pleased.

He received a bunch of shrugs in return.

"Well aren't you all helpful?"

Just as Hank finished his sentence one of the two detectives came running up the stairs saying his apologies. That one detective was Jay Halstead. Erin Lindsay was nowhere to be seen.

"Where is Erin?" the unit asked in unison.

"I don't know. She said she was going out with some old friends from her patrol days, but never came back to my place last night so i'm guessing she is sleeping it off at her place." Jay answered.

They had no cases so everyone was catching up on paperwork but all Jay could think about was where Erin was.

It was 9:00 am, an hour past the time they were all supposed to report for duty. Erin was still nowhere to be seen.

The clock hit 9:10 before Jay finally stood up and walked to the lockers. He dialed in Erin's number and called her. After about the 3rd ring Erin finally picked up. "Hey, listen i'm on my way in. I just had a little too much to drink last night and over slept. I'm fine."

"Well that sure is nice to know, considering you didn't come back to my place last night, and didn't even bother to call or text me!" Jay said, clearly upset.

"I know i'm sorry, I will explain when I get there. I promise." Erin replied.

"Just get here okay? Voight is up my ass about where you are."

"Well then, tell him i'm on my way." Erin said as she hung up the phone.

Erin took a deep breath and sighed. She knew something was off. She just couldn't put her finger on it. She had woken up completely naked and hungover. Yet, she woke up in her own bed with no one besides her in it. She couldn't remember a single thing from last night. Hopefully it wasn't too bad.

About 15 minutes later Erin comes strolling up the IU stairs. Everyone sending glares. "Where have you been? Did you find another boy-toy on the side?" Ruzek joked.

"Haha, very funny Ruzek. No, I just forgot to set my alarm last night and slept too late."Erin stated.

"Well you look like you got hit by a truck." As soon as Ruzek said that, Jay looked at Ruzek knowing he shouldn't have said that, he knew something was about to go down.

"Okay, one, what business do you have asking me what I did last night? Two, how dare you say I look like I got hit by a truck? Way to be classy. And three, just leave me the heck alone!" Erin finished as she stormed to the locker room.

"Okay then, whats her problem?" Ruzek questioned.

"Maybe it's the fact that you just said my girlfriend and partner looks horrible! Don't you know when to stop? Jeez!" Jay yelled storming out of the bullpen in search for Erin, leaving Ruzek shocked.

Erin was sitting down on the locker room bench trying to gather herself. She knew it wasn't right to yell at Adam like that. She was just hungover and tired. She hadn't even had her coffee yet. All the while, she still didn't remember what happened last night.

Jay was about to walk into the locker room when he heard Erin yell to herself, "What the hell happened last night!?"

Jay took in her words thoughtfully. What did she mean she didn't know what happened? Questions started racing through is head, Did she get full on wasted? Why hadn't she called or even texted him? Did she drink and drive? What did she do? Was she telling the truth about where she was last night? The last two questions he tried to push out of his head. He couldn't. He didn't want to know. Maybe he did though. Did Erin take something? Did she sleep with another man?

Jay shook his head and stepped into the room. He saw Erin sitting on a bench with her head in her hands. She looked distraught.

Erin heard footsteps and loom up to see Jay's worried eyes. She felt bad. She had told him that they would talk about what happened, but she didn't even know what happened. Jay sat down on the bench in front of her. He put a finger to her chin and lifted it up so she could see her eyes. They were teary and tired.

"Erin, are you okay? If you say 'i'm fine' I will know you aren't. So you might as well tell me." Jay asked carefully.

"I just don't feel good. That's all." Erin replied quietly.

"Did you and your patrol buddies play some drinking game or something?" Jay asked trying to lighten the mood.

"Something like that." Erin answered.

Truth be told Erin was felling worse than she let out. It wasn't just that she hasn't had her coffee or the after effects of the alcohol. It was the guilt and the shame she felt in her heart. The memories from last night were coming back. She let a tear fall down her cheek and looked back up at Jay. He looked at her with helping eyes.

"Jay, I have something to tell you." Erin said holding back tears.

"Okay?" Jay answered. Panic setting in.

"I slept with another man last night." Erin said, finally letting the tears fall.

AN/ And there it is. Should I continue or not? I have some good thoughts so don't worry. It's not all sad af Linstead. :)