I ate 4000 calories today. Am I going to die?

I count calories and normally eat 1500 net calories, but today I went overboard with snacks, candy and cookies on top of my normal meals. I counted everything and it totaled out at about 4000 calories. Am I going to explode or die?
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Update: I almost died when I stepped on the scale
I ate 4000 calories today. Am I going to die?
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