in this shiur we discuss: 1) Can a mourner celebrate on Lag B'Omer. 2) Which hand to use to remove Tefillin, 3) Nefilas Apayim when no sefer Torah is present, 4) Giving a grandfather and grandson back to back aliyos, 5) Giving brothers Hagbah and Galilah, 6) Marking the challah on Shabbos, 7) Why say Aleinu after Kiddush Levana, 8) During Kiddush Levana must people respond to your "Shalom Aleichem", 9) Covering mirrors and paintings in a mourner's home, 10) Throwing grass above one's shoulder when leaving a cemetery.