During adolescence (ages 13-18), the speaker experienced a state of being indestructible with no negative consequences from overtraining or overeating, regardless of food quality or quantity.

“so call it the first athletic phase of my life which i would say is about age 13 to 18. so between the ages of 13 to 18 i was indestructible just like most 13 you know to 18 year olds are you can do anything there is no such thing as over training nor is there such a thing as overeating i could consume such comical amounts of food and they were really not of high quality at all right so you know breakfast would be a box of cereal and a large tupperware bowl the entire box i mean six or seven sandwiches for lunch every day so a whole loaf of bread turned into sandwiches plus french fries plus a one gallon thing of orange juice i mean just disgusting quantities of food but absolutely no impairment of performance or health at least by any measurable amount”