Ask your doctor or pharmacist if you can eat grapefruit while on medication.
Grapefruit delays the breakdown of medication in the body. Most medication require the liver to break down whatever is in the pill into the actual chemical that will effect your body. So what happens is the original chemical in the meds builds up in your body’s and then the grapefruit wears off and your liver goes nuts making active ingredients, leading to an overdose.
Isn’t that intentional though?
He specifically requests to be a bad guy and to lose in the end because of his experience with crime and prison in his youth and wanting to be an example of crime not winning.