Answer:
What does no man want, yet no man want to lose?
A morbidlyยญ-named body of water
I move without wings, Between silken string, I leave as you find, My substance behind.
I have four wings but cannot fly. I never laugh and never cry. On the same spot always found, toiling away with little sound.
Hold the tail, while I fish for you.
Black we are and much admired. Many seek us if they are tired. We tire the horse, and comfort man, and turn White when we've fulfilled your plan.