Answer:
I dance on one feet and knows only one shape. Someone with same name as me is very good with directions
I have no voice but I can teach you all there is to know. I have spines and hinges but I am not a door. Once I’ve told you all I cannot tell you more.
I am good at concealing what's real and hide what's true. Sometimes I bring out the courage in you!
I am owned by every man, though my length differs. Their wives use me after getting married. What am I?
I run cold and hot, I look blue but am red. What am I?
What do people want the least on their hands?