Answer:
When I live I cry, If you don't kill me I'll die.
Plow and hoe, reap and sow, What soon does every farmer grow?
It's equally comfortable in an orchestra and a geometry textbook. What is it?
Twigs and spheres and poles and plates. Join and bind to reason make.
Used on a diamond and left on a board. It's great for a gymnast his grip to restore. What is it?
Said to have fifty shades