[quote=@t2wave]
4 cups? That amount of caffeine is not good for you. I will burn out your adrenal gland and lower your overall energy level over time. It also loses it's effectiveness, which is probably why you drink more. You should find an alternative or cut back.
[/quote]

Considering my mother's been drinking coffee since she was like five, and it was usually black, too late for that xD