^ Likewise if certain foods set you off and those foods are actually "good for you". If you feel like crap after eating a ball of grease, that's one thing, but

^ Likewise if certain foods set you off and those foods are actually "good for you". If you feel like crap after eating a ball of grease, that's one thing, but it turns out leafy greens aren't supposed to give you a nuclear-level stomachache.