Answer:
One by one we fall from heaven down into the depths of past, And our world is ever upturned so that yet some time we’ll last.
What is weightless but it needs two person to hold it?
By the way, what never moves, wears shoes, sandals and boots, but has no feet?
Today he is there to trip you up. And he will torture you tomorrow. Yet he is also there to ease the pain, when you are lost in grief and sorrow.
Often held but never touched. Always wet but never rusts. Often bits but seldom bit. To use it well you must have wit.
I am your mother's brother's only brother in law. Who am I?