A/N: Ok so this chapter I wasn't sure what to do. I know you all want to know why she left and also I didn't want Dean finding out so soon so I was stuck but I think I found a happy medium to make everyone happy. Enjoy.

Brooke lay on the bed crying into her pillow that night. Dean had turned into the biggest jerk over the years. She had always known that her leaving must have hurt him but she never thought that he would ever treat her as if she never mattered to him at all. What he was doing to her was far worse. She had to sit by while he screwed other girl and made it know to her and then jump down her thought when he assumed she was sleeping with his brother. She had every right to do what she wanted to do just as he was doing. They weren't together and he couldn't stand the sight of her so why did it matter so much to him who she was sleeping with.

She rolled onto her side and looked toward the window. Just as she had finally calmed down, she heard a knock at the door. She sat up on the bed and looked to the door, "Who is it?"

"It's Dean. Let me in." he said in a stern voice.

"Just go away Dean. I really don't need your judgmental attitude right now."

"Just open the damn door Brooke." She wiped her eyes and got off the bed. Part of her was saying don't open it while the other was screaming to her to hear what he has to say. She reached for the knob and opened the door to se Dean standing there looking at her, "What do you want?" she asked as she crossed her arms.

"Can I come in? I really don't care to have this conversation in the hallway for everyone to hear."

"Fine" she said and stepped aside. Once he was inside, Brooke closed the door and turned to him, "So what do you want to talk about Dean? I think you have about said enough don't you think?"

"Listen Brooke I have every right to be pissed at you but I just wanted to say I am sorry for giving you a hard time and for what happened downstairs earlier."

"Its no problem Dean." She said and looked at him, "I am not one to hold grudges so I'm over now, you don't have to worry." She said to him causing him to roll his eyes.

"You just could hold out could you?" he said.

"What the hell are you talking about Dean?"

"You always have to have the last fuckin word don't you. I come up here to say I am sorry and you have to through your extra shit in there."

"What I just said I don't hold grudges."

"You were implying that I do and you know what, you are damn right."

"Right. I really don't care anymore Dean. You can hate me for the rest of your life if you want. See if I give a damn!" she snapped back at him.

"You know what, I don't know why I even bothered trying to talk to you. You are still so damn hard headed just like always." He said and walked around her and toward the door. Brooke stood there with her arms crossed as he reached for the door. Just as he was about to walk out, he slammed the door shut, "I just want to know one thing Brooke." He said and turned around.

"What's that?"

"Why did you leave me?" he asked her.

She stood there with a sad look on her face. She knew that this day would come sooner or later, "Dean I…I never wanted to leave you."

"Then why did you. Damn it Brooke I loved you back then and you fuckin left with no explanation. You left a damn note!" he snapped. He had been waiting for this for a long time.

"It's complicated Dean. I wish I could explain to you but I cant."

"Why the hell not? I think I deserve to know why you left." Brooke just stood there thinking back to what had happened that day that changed her life:

Flashback

Brooke sat at the small table in the room, going over every piece of information they had gathered for the case. She heard a knock at the door and got up to answer it, "John?"

"Hey Brooke."

"What are you doing here? I didn't think we were meeting up with you until Friday."

"I was in the area so I thought I would come by."

"Ok well Dean went out to interview some witnesses but should be back anytime."

John looked sadly at her as he walked into the room, "I actually just need to talk to you right now."

"Ok. What's up?"

"You need to leave." John said and turned to look at her.

Brooke crossed her arms and was a little shocked by his request, "Excuse me?"

"Brooke I need you to hear me out before you overreact. Certain…. Things I guess you could say have been brought to my attention and I am really going to need Dean's help on this."

"Ok so what is it? I can help and you know I can."

"I know that Brooke but this is something bigger than just a ghost or a small nest of vamps. It involves Dean's mother and Sam and as much as I know you want to help…you cant this time..."

"Sam? What about Sam? I thought he was in school."

"He is and I want it to stay that way for now but I really need Dean on this with me."

"John, whatever it is just tell me."

John walked over to her and grabbed her hands, "I cant tell you everything Brooke and I really cant tell Dean a lot but things are about to get really bad around here and believe me when I tell you I just want you to be safe. Dean loves you and the last thing I want is for him to go through the same thing I went through when I lost Mary."

"So you think I may die?"

"I am not saying anything its just I need to do what's best for my children and if you stay, Dean will always try to protect you first and that will be dangerous for us all."

Brooke could see in his eye that there was more to the story, "What do you know John? Unless you tell me something, I am talking to Dean about this."

"Fine. I went to visit a friend of mine and she told me something."

"What things?"

"It was a demon who killed my Mary all those years ago and …."

"John we know this already."

"Yes but what you don't know is…well Brooke I hate to be the one to tell you this but, the body his is using is your fathers." John said with a heavy heart.

Brooke felt her legs go weak and she sat back down, "My…my father. But he was been missing for almost three years. Ever since…."

"Ever since that demon possessed your mother. I know Brooke but it's the truth and you don't need to be close when we find him. Your emotion will get in the way."

"That's crazy."

John looked at her sadly, "When the day comes and we meet up with him, he will use you as bait and…."

"And what?"

"Dean will die as will you. I am so sorry Brooke. This is what she told me."

She looked away from him. Tear began to fill her eyes. The last thing she ever wanted was to do anything to get Dean killed or even hurt, "Please don't make this harder than it has to be. It's for the best and you two can be together again one day."

"Just go John….please."

"Alright but I will come back later to help out."

Brooke watched him walk out of the door. The door slammed and she fell to her knees and sobbed. How was she supposed to tell Dean goodbye? But she knew she had to do whatever she had to do to keep him safe. Even if that meant making him hate her.

End Flashback

Brooke wanted to tell Dean everything but he just lost his father and the last thing she wanted to do was tell him it was John who asked her to go. It wouldn't be right to bring that up now of all times. "So are you just going to stand there or are you going to say something?" Dean said as he huffed.

"Dean I never wanted to leave the way I did but…it was my father." She said to him.

"Your father? But you said you didn't know where he was and you barely talked about the man and your mother."

"I know but I had heard he was seen and I had to go try and find him."

"Why didn't you just tell me this? I could have helped you."

"I know you would have but it was just something I had to do on my own." She said as she looked at him.

"See that was always your problem. I never kept anything from you but you refuse to tell me anything about your family."

"I know but something's are just not easy to talk about for me."

"Well did you find him?" Dean asked.

"No….but I do know he is out there and I have a funny feeling that he will show up one day."

"Is that a bad thing?"

"I don't know yet." Dean turned away from her and opened the door, "Where are you going now? I told you what you wanted to know. The least you could do is talk to me."

"Listen Brooke," he said and turned around, "Just because you told me doesn't mean I forgive you. You should have told me then. You should have trusted me and you didn't. You just walked away as if I meant nothing. So I'm sorry but that's just the way it is. One day maybe things will be different but for now I just….I just can't forgive you."

Brooke felt the tears fall down her face as she watched him walk out the door. She had really made a mess of things and she was beginning to think there would be no way to fix them before it is too late for her.

A/N: So recap, Brooke left Dean because John asked her to because he didn't want her father/yellow eyes to use her as bait, not to mention he is going to kill the man. There is a reason she is back and I will get to that in the next chapter. I hope you liked this one and it somewhat cleared something's up. Please review!