Dean silently wished he could feel so blissed out, that he could forget his time in Hell and actually enjoy Christmas with Sammy.  He wanted to bury his thoughts and take a real break, suddenly wanting to make this holiday special for his brother just like Sam had done for him last year.  Each it seems hadn’t felt like celebrating at the time, but for their brother they were willing to bury their own hurts and make it happen.   

He could do this… for Sammy. 

Minor S4 spoilers. 

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