It was the first time Richard Castle had ever seen Katherine Beckett completely silent and it worried. He'd been waiting for the shouts and the insults and the smack around the face but was more nervous when it didn't arrive and he was just stood there waiting.

"Kate…" he whispered as she stared at him and sighed. "Look, let's forget that I said it, it's not like it means much, it just means my over active imagination was working again, you know you always laugh about my imagination Beckett".

"Normally because your imagination is being ridiculous, this is your imagination being honest and I really don't trust it Castle, I don't trust you right now" she declared as he stared at her. "Sorry" she mumbled as he sighed.

"You've got nothing to be sorry for, look Beckett, if you hadn't been… would it have made a difference" he asked as she looked down.

"I don't know Castle, I can't comment on what hasn't happened" she mumbled as the main phone rang. "Castle you going to answer that" she asked as he shook his head. "Could be someone important".

"Beckett, there is no one more important than you right now, after everything that's happened to you because of me" he declared as she smiled and looked at him, the phone beeping as it switched to answer machine.

"Castle mate, we need to talk I'm coming over" a man declared causing her to turn and stare at the door, not going unnoticed by Castle who stared at the door as well, the phone going silent as the man hung up.

"Kate…" he whispered as she turned and stood up, grabbing her jumper off the floor as she walked towards the door. "Kate what the hell is wrong with you" he asked as he grabbed her hand, causing her to turn making him notice the fear in her eyes for the first time. "Kate…".

"Castle I need to go please" she begged as there was a knock at the front door. "Please, there's got to be another way out of here…".

"Yeah out of the window, but you have to be suicidal to risk that" he declared as she walked over to it and pulled it open. "Beckett what are you playing at" he asked as she climbed onto the fire escape. "Beckett its official you're mad".

"Look, I'll see you tomorrow" she mumbled as she slipped her boots off and stared at him. "Castle please…".

"Beckett get back in here now because if you fall and break your neck Alexis will kill me" he announced as she stared. "Beckett you've done a lot of crazy things in our time together but this is most defiantly the worst" he announced as the knock at the door occurred once more.

"Castle trust me" she whispered as she passed him her boots. "Look after them, they're my favourite" she declared as she began to walk down the stairs, clinging onto the banister as she did, his eyes not moving off her until she disappeared from view.

"Please don't kill yourself" he mumbled to himself as he shut the window and walked out of the room, opening the front door to reveal his oldest friend.

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