Answer:
What comes one time in today, three times in tomorrow and never in the future?
What is something yet nothing, but if you fill it up it will disappear?
if I drink I die if I eat I am fine what am i
What has been around for millions of years but is never more than a month old?
Raise your right appendage high above your head. Turn your head to the right and you will smell this.
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.