Shut SMS #35

Rabbi Aviner answers hundreds of text message questions a week. Some appear in the parashah sheets "Ma'ayanei Ha-Yeshu'ah," "Olam Ha-Katan" and "Be-Ahavah U-Be-Eumnah." Here's a sample:
Q: I was davening Minchah and was called for Magen David Adom (as a first responder). I missed Minchah. Do I have to daven the Shemoneh Esrei of Maariv twice to make up for missing it?
A: No. One who is involved in one mitzvah is exempt from another mitzvah.
Q: Did Herzl prepare a plan for all of Am Yisrael to convert to Christianity?
A: Certainly not. See the book "Herzl: A New Reading" by Dr. Weiss, p. 65.
Q: If I am sweating, isn't it shaming my Tzitzit, and it would be preferable to remove them?
A: It is not shaming them. You should wear Tzitzit all of the time: in the army, during war, etc.
Q: During the seven festive days on our marriage, it is permissible to attend another wedding or is it "mixing one joy with another" (which Halachah says should not be done)?
A: It is permissible. This principle is not stated in this case.
Q: There is a person who is publicizing in the newspapers that he is the Messiah?
A: Nonsense.
Q: Is it permissible to put things in your Tefillin bag other than your Tefillin?
A: It is forbidden unless you bought it with this intention.
Q: Why don't yeshiva students from "Black-Hat" yeshivot go to the army?
A: Patience, in the end everyone will go.
Q: Should I sign the Halachic Donor Card?
A: It is a great mitzvah. It saves lives.
Q: Is it permissible to enter the Temple Mount?
A: There are signs of the Chief Rabbinate there which prohibit it.
Q: Theoretically, is it better to be a secular Jew who lives in Israel and works to build it than an observant Jew who lives outside of Israel and is not concerned about it?
A: Theoretically, no, a person is judged by the majority of his actions, but the Master of the Universe is the only True Judge.
Q: Is it permissible to whistle on Shabbat?
A: Yes, it is not from an instrument.
Q: What should one do for a Shabbat Brit Milah if many people will violate Shabbat to travel to participate?
A: Postpone it until Sunday. Yalkut Yosef.
Q: Is it permissible to buy my father a pack of cigarettes if he asks me?
A: Yes, there is no issue of "Do not place a stumbling block before the blind" for one pack, but smoking is a general bad character trait. Rambam, Hilchot Deot, chap. 4.
Q: Is it permissible for a bride and groom to dance together in front of everyone?
A: Certainly not, public acts of affection are forbidden. Kitzur Shulchan Aruch 152:11.
Q: Is it worthwhile to visit "Kivrei Tzaddikim" (graves of the righteous)?
A: It is preferable to perform acts of kindness and learn Torah.
Q: Should one wear Techelet on his Tzitzit?
A: If your Rabbi says that you should, you should. If your Rabbi says that you should not, you should not. If you do not have a Rabbi, follow the majority of Rabbis who do not wear it.
Q: Should I recite Shehechiyanu on an expensive electric appliance?
A: Yes. If it is used by one than one person, the blessing is "Ha-Tov Ve-Ha-Meitiv."