3) How close to the Mezzuzah does the Mezuzah have to be to the drinking? Does it have to be Kdei Achilas Pras?
4) If one has no water could he use club soda or orange juice?
5) What happens if takes a sip in a room with no mezuza, i.e. a bathroom or a non-jewish hotel room, can he kiss his tefillin instead or another religious item?
6) Does this segulah work even if you have to check the water for bugs?