Answer:
What goes through the door without pinching itself? What sits on the stove without burning itself? What sits on the table and is not ashamed?
My love, when I gaze on thy beautiful face. Careering along, yet always in place, the thought has often come into my mind. If I ever shall see thy glorious behind.
Gets rid of bad ones, short and tall. Tightens when used, one size fits all.
What has a mouth but can't chew?
Iron roof, glass walls, burns and burns and never falls.
I am black within and red without; with four corners round about. What am I?