Allergy attack.
Bob has been allergic to bananas all his life. He had avoided a major reaction for years. His new girlfriend forgot about Bob's allergy. She made Bob a dish that had a small amount of bananas in it. Bob ate the dish and ended up taking a trip to the emergency room.
He had avoided a major reaction for years. Bob ate the dish and ended up taking a trip to the emergency room. She made Bob a dish that had a small amount of bananas in it. His new girlfriend forgot about Bob's allergy. Bob has been allergic to bananas all his life.