"I had Rocky Road," Beckett admits around a spoonful of mint chocolate chip, "but that one's always the first to go."

She doesn't indulge every night, but every once in a while she likes to stock up on an extra pint or two for those cases that leave her head hurting. Like this one. She plucks the other pint out of Castle's fingers and opens the lid, dipping the same spoon into that one.