In the end, only Jim gets through to her. The only one with the ability to cut through the dark, heavy shroud of grief that wrapped around her as one of the Hamptons detective drove her back to the house.

Getting up means the weekend would draw to a close, that she would have to pack her duffel bag of her toiletries and find her boarding pass, that she would have to kiss him goodbye in the doorway again. :: Alternate Season 6 Christmas

She stopped going home every night.

Kate Beckett works alone. But her latest mission forces her to face the reason she went into her line of work and to deal with the man who has challenged her patience from the start.

Castle throws a curve in their road trip plans.

Even as the sun starts to set, painting long shadows of the surrounding trees across the row of polished shoes, she refuses to move, to leave him alone.

"Kate. Come have dinner with me instead." :: An alternate ending to 'The Final Nail' spun-off from a castlefanficprompts post

Castle made it clear that he couldn't watch her drive herself into the ground and she wasn't about to ruin his graduation celebration with his daughter to tell him he was right. :: 'Always' alternate

He spends a week in the hospital.