Answer:
I go inside boots and outside shoes.
I spend the day at the window go to the table for meals and hide at night.
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. What am I?
People walk in and out of me. They push me and I follow. When they walk out on me I close up and I stay waiting for the next person to walk into my life when I have a more open mind
I jump when I walk and sit when I stand. What am I?
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.