062%3A%20Dr.%20Anthony%20Gustin%20-%20(Q%26A%20%234)%20-%20My%20Daily%20Routines%2C%20Improving%20Mental%20Health%2C%20Exogenous%20Ketones%20and%20Stomach%20Upsets%2C%20Fiber%20Intake%2C%20and%20What%20I%20Wish%20I%20Knew%20Sooner