1,3,7-trimethylxanthine

caffeine is vicious. caffeine is like that friend in middle school who was a few years older and would decide to not be your friend when his other same-age friends were around. caffeine is like lucy and charlie brown and the football, except that lucy only pulls out the football, say, one out of ten times. Trust builds, hurts are forgotten and then....WHAM. Flat on your back with a headache after only half a cup. No energy--only the sound of metal machine music in your head.

Your hand blindly searches for the restart button, eyes squinted shut against the light. Where's that restart button?