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"Dean, wake up."

Someone was shaking his shoulder. Dean Winchester rolled over and opened his eyes. The face of his brother loomed over him. "Wake up, Dean," said Sam, grinning. "It's Christmas."

"Oh, really?" grumbled Dean, sitting up. "What's happened this time? And why are you up so early?"

Sam huffed. "I mean it's Christmas, Dean. You know, like the tree kind?"

Dean groaned. "Come on, Sammy, when have I ever been excited for Christmas?"

Sam chuckled. "Dean, stop being a little bitch and enjoy it."

"You try enjoying it when you're me, jerk," Dean grumbled, throwing off the covers and slipping out of bed. He shrugged on his leather jacket and turned to Sam. "And what the hell are you going to do?"

"I'm, uh…" Sam's eyes were suddenly fixated on a spot just above Dean's right shoulder. "I'm going out."

He grabbed his jacket from where it hung on a chair and the Impala's keys from the table and disappeared out the door. The door clicked shut behind him.

Dean exhaled and started to turn around to where Sam was staring before. "Sammy, you son of a -"

He stopped. Cas was standing there, looking solemn, a Christmas hat sitting lopsided on his head. Dean snorted. "Dean," said Castiel, looking uncomfortable. "I appear to have a…" he gestured to his head. "Piece of clothing that I wish to have removed."

Any other pieces of clothing you wish to have removed? Dean thought and smirked. Cas looked adorable in his hat, and Dean resisted the temptation to grab the lapels of his coat and kiss him, right there and then.

"Dean?" said Cas uncertainly. "Why are you looking at me like… that?"

Dean realized he'd been staring at Cas stupidly, and snapped out of his stupor. "What? Oh, uh, nothing." He ran a hand through his hair.

"What is that?" said Cas, pointing a finger at the ceiling behind him. Dean whirled around to see that copious amounts of clumps of green leaves and red berries had been placed across the ceiling.

Damn it, Sammy.

Sam had been up early putting up mistletoe all over the place? Cas looked just as confused as Dean, and when Dean turned back to him, his finger shifted to directly above Dean, where a particularly appealing-looking knot of mistle dangled above him.

"Dean?" said Cas. "What is it?"

"It's, uh…" Dean cast his eyes around nervously, not wanting to look at Cas. "It's mistletoe."

"Mistletoe?" said Cas slowly.

"Yeah," said Dean, looking apprehensive. "When two people are together under it, they, um…"

He could feel a hot blush creeping up his neck. Cas stepped forward and Dean shifted back, just a couple of inches, so that the bunch of green leaves hung right between them.

"They're supposed to kiss," mumbled Dean quietly. He could feel his face getting warmer and warmer.

"So does that mean…" Cas's eyes shifted to the bundle of leaves above them. His blue eyes spoke the unsaid question hanging in the air between them.

Dean grinned. "Yeah," he said. He grabbed Cas's jacket and pulled him against him, pressing their lips together. Cas's hand reached up to caress Dean's face, bringing their lips tighter together.

Dean's eyes closed in rapture. He just wanted to stay there forever, trapped in this moment forever with Cas. He put his hands on Cas's waist and pushed him forward, so they landed in a heap on the bed, lips still glued together. Dean pulled away, just for a second, to push Cas's trench coat off his shoulders and cast it onto the floor. He looked into those blue eyes, so wide and exposed.

Minutes later, they lay breathing heavily in a tangle of limbs under the sheets, and fell asleep soon after.

Two hours later, Sam returned from wherever he had wandered to to find his brother wrapped in the angel's embrace, Dean's head on his chest.

Sam smiled and silently slipped out the door again.