The custom of drinking alcohol on Purim stems from a quotation in the Talmud attributed to a fourth-century rabbi, Rava: “One must drink on Purim until that person cannot distinguish between cursing Haman and blessing Mordechai” (Megillah 7). This custom has become a green light for people, especially students in Israel, to drink lots of alcohol on Purim. Unfortunately, many gap year students drink until they are sick, passed out, or exhibiting dangerous or inappropriate behavior (such as vomiting in your rabbi’s yard). Although alcohol consumption in the US is illegal for people under the age of 21, in Israel, it...