Answer:
Curtail me thrice I am a youth; behead me once a snake; complete I'm often used in truth when certain steps you'd take.
I make everyone blind. You can't see me but I will always come back for you. What am I?
What goes through cities and fields but never moves?
Without me everyone would lose their head.
Though it be cold I wear no clothes the frost and snow I never fear; I value neither shoes nor hose And yet I wander far and near: My diet is forever good I drink no cider port nor sack what Providence doth send for food I neither buy nor sell nor lack.
What made Cyclops quit teaching?