Every holiday have special commandments. One of the commandments of Purim is - must get drunk on Purim until he doesn't knew the real cursed Haman and blessed Mordechai.

Purim celebrates the memory of the miracle of the time of King Ahasuerus. Was an evil man named "Haman" and he persuaded King Ahasuerus to kill all Jews on the thirteenth of Adar.

We are obligated to hear the Megillah reading twice: once on Purim eve and again on Purim day. Stand while the reader recites the blessings and answer “Amen.” You may be seated while the Megillah