Answer:
Women don't have and don't want it. Men get it but sometimes they try to get rid of it. What is it?
What is always coming every day, but never arrives until the next?
What hatches without food?
It's in your hand though you cannot feel it. Only you and time can reveal it.
Without this, H2O would just be 2O
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.