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1 or 2 cups per day only.

hmm mean I guess you are hyposensitive towards coffeine already mean 500mg caffeine and you still feel nothing.

What happen if I drink over 7 cups of coffee. 😁

lol, don't try that man, when consumes too much will lead to health issue such as faster heart beat, vomiting, etc. You need to find alternative to make yourself stay awake! :D

Without coffee, I'm awake. So I need to drink more coffee. 😆

Oh well, if that is the case I'm jealous! I can save a lot from coffee expenses lol