To all the kitchen things and equipments you have in your house you should not be careless in taking good care of them. As with all flatware and international stainless steel flatware should be washed immediately after use to avoid stinky smell or hard to get rid dirt that stick on it.  This should help the tools last longer and preserving it at the same time. It’s so precious that it really values a lot. You can rinse it with water or dip it in a basin with a warm water on it to kill the bacterias and germs. After doing so soap it and then rinse it again to smell good and then place it were roaches and rats could not sniff it.