Answer:
What is the word that even in plain sight remains hidden?
What is in seasons, seconds, centuries, and minutes, but not in decades, years, or days?
What has a ring but no fingers?
What has ten letters and starts with gas?
If someone calls you this, it might be time to consider hot wax
Though not a plant, has leaves. Though not a beast, has spine. Though many wouldn't need this thing, It's more valuable than wine.