Magic is real, whether it's a wish that comes true or three ghosts playing This Is Your Life by travelling through time and showcasing your most memorable moments.
Santa is real (although didn't we already know this?) and the answer to that old question 'how does he deliver all those presents in one night' is his faithful pals the elves. Santa may take all the glory, but those little dudes prep most of the job for him while Santa kicks back with a mince pie.
A kid always wins against two idiots. Even if they're psychotic, gun-wielding, want-to-bite-off-your-fingers-one-by-one idiots.
Arnie can pull off cheesy festive fun really, REALLY well.
Sad shit still happens at Christmas - and to children. Never ever befriend a flying snowman, kids - it'll only end in tears. Or a puddle.
Grumpy old bastards can change their ways. You just need to scare them half to death with ghouls and their impending, lonely death first.
And finally, the best way to spread Christmas cheer is singing loud for all to hear. So go on, stick some festive tunes on and go nuts!