Answer:
Who makes it, has no need of it. Who buys it, has no use for it. Who uses it can neither see nor feel it. What is it?
He has married many women but has never married.
When I get closer my tail grows longer, but when I go away my tail leads the way.
If you break me, I do not stop working. If you touch me, I may be snared. If you lose me, nothing will matter.
What is full of holes, but can still hold a lot of water?
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?