Answer:
Deep, deep, do they go. Spreading out as they go. Never needing any air. They are sometimes as fine as hair
What fastens two people yet touches only one?
It is something you make after you've weighed your options.
There are four of these, but everyone's favorite seems to be spades.
Sitting down you have it, Standing up you don't.
How did the farmer find his wife?
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?