Search or ask the older members of the family (e.g. parents, titas/titos, etc). What are those superstitious beliefs or practices with/without scientific explanation.
SUPERSTITIOUS BELIEFS OR PRACTICES Putting a metal spoon in a hot drink like coffee, it prevents the glass crack.


SCIENTIFIC EXPLANATION
The spoon is initially at room temperature, and inserting it into the coffee will cool the coffee down. Additional surface area of the spoon exposed to the air will increase heat loss through convection and radiation.​