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CusstomerService101 -2 points ago +2 / -4

or just one dumbass who should have gone back to bed instead of internetting?

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CusstomerService101 1 point ago +1 / -0

I saw a screencap that might explain the diff. The shot can have dramatic physical effects if the shot goes into an artery instead of a vein. The screencap wasn't related to the pain, per se, but was explaining some of the clotting issue.