Shut SMS #41

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-Emunah." Here's a sample:
Q: Is it permissible for a convert to recite Kaddish for his biological father?
A: Yes. Shut Yechaveh Daat.
Q: Is it permissible to daven Shacharit on a beach?
A: Only when there is no choice since it is forbidden to daven in an open area.
Q: Is it permissible to use a stamp which was not marked by the post office?
A: Certainly not, it is included in the mitzvah of returning a lost object.
Q: Is it permissible to listen to a secular singer sing cantorial music?
A: No, it requires fear of heaven.
Q: Is it permissible to take a towel from a hotel? After all they charge more money since they know people do it.
A: It is certainly theft.
Q: My wedding ring was stolen. Is it a bad sign?
A: No, it is not a bad sign. If you want, your husband can buy you a new ring and make you happy.
Q: If I donate a book in someone's memory but do not write "In memory of…," is it still in their memory?
A: Definitely. The Master of the Universe knows.
Q: Is it permissible for a woman to have a nose ring?
A: It is forbidden in our days because of "Chukot Ha-Goyim" (following non-Jewish practices) which includes acts of arrogance and drawing attention to oneself.
Q: Is it permissible to name a baby after a grandmother who was killed when young?
A: We do not generally name a child after a person who died young, but it is permissible for a grandparent sine it is included in the mitzvah of honoring father and mother.
Q: Is it permissible to use a friend's pen without his permission?
A: If you are completely certain that he would agree.