Bryan Johnson· Author
the caffeine is is fine people yeah C there's no problem with caffeine coffee is great people just have different metabolic responses to caffeine some people do very well some people do not I'm someone who gets put on a roller coaster so by day three I'm addicted and now I drink coffee n because I love it I drink coffee cuz I'm trying to feel normal and so I'd R rather feel normal and steady than I would be on a roller coaster of emotions and that's why I don't drink caffeine