Answer:
What has a head and a tail but no body?
Once you have it, you want to share it. Once you share it, you donβt have it. What is it?
Without coolant, you'll have some trouble with this.
It weighs next to nothing but no one can hold it for long. What is it?
What occurs four times in every week, twice in every month, only once in a year but never in a day?
It is something you will never see again.