Is it okay to drink 3 cups of coffee before school?

Well I want to challenge myself to drink three cups of coffee natural while relaxing to music to test the effects in the morning before school. Tomorrow is Friday so it is a good day to try things at school. Do you think my high school teachers will notice a difference in my behavior? It will be my second time using coffee ever.
You will be hyper
You will be slow
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Is it okay to drink 3 cups of coffee before school?
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