I think I blacked out for the rest ... I remember stopping somewhere and throwing up some more by a tree stump , then throwing up into Josh 's Trader Joe 's bag on the car ride home . Then I was kindly reminded of throwing up in the sink at my place .

Question: Why was the narrator throwing up so much ?
Answer: The narrator got sick after they nursed a friend back to health at their place .The narrator got food poisoning from the Trader Joe 's food .The narrator made themselves sick drinking too much alcohol .None of the above choices .