Answer:
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.
What kind of running means walking?
What flies forever, Rests never?
He has married many women, but has never been married. Who is he?
Iron roof, glass walls, burns and burns and never falls.
People take me on walks and I run and have fun. What am I?