Answer:
Four of us are in your field, But our differences keep us at yield, First, a one that is no fool, Though he resembles a gardenerโs tool, Next, one difficult to split in two, And a girl once had one as big as her shoe, Then, to the mind, oneโs a lovely bonder, And truancy makes it grow fonder, Last, a stem connecting dots of three
Surname of the pilot of the Millennium Falcon.
It cannot be seen, it weighs nothing, but when put into a barrel, it makes it lighter.
It's equally comfortable in an orchestra and a geometry textbook. What is it?
Do what he says and you'll be fine, don't and you lose the game.
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.