How do I get rid of this embarassing cold sore, QUICKLY?

I never got a cold sore before and suddenly this embarassing cold sore showed up, only a few days till christmas! I really would like some advice to help get rid of it. Its outside my mouth on the top of my lip. please use some personal experience in answers and remedies to end this quickly!
How do I get rid of this embarassing cold sore, QUICKLY?
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