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 will disappear every time you say my name. What am I?
I have two bodies joined together as one. When standing still I run and run.
There are four of us but it seems like everyone loves spades the most.
I am all around, yet to me you are half blind. Sunlight makes me invisible and difficult to find. What am I?
What did the piece of wood say when he saw the screwdriver and screws approaching?