Answer:
You heard me before, yet you hear me again, then I die. Until you call me again.
Be sure to shout for its answers are weak, but there is no language it cannot speak.
Twigs and spheres and poles and plates. Join and bind to reason make.
There is someone, and there is always another, for without the other, there wouldn't be one
Bury deep, Pile on stones, My mind will always Dig up them bones
People take me on walks and I run and have fun. What am I?