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.
What type of dress can never be worn?
When I get closer my tail grows longer but when I go away my tail leads the way.
In my life I must bare, my bloodline I must share. What am I?
I have fangs and enjoy piecing holes with a single bite.
What never asks questions but receives a lot of answers?
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic