Short difficult what am I riddles

If you throw me out the window, I'll leave a grieving wife. Bring me back, but through the door, You'll see someone giving life. What am I?

I do not eat food. But I do enjoy a light meal every day. What am I?

I am taken from a mine, and shut up in a wooden case from which I’m never released, and yet I am used by many. What am I?

I am always will be coming, but I will never come. What Am I?

I have 4 eyes, but I cannot see! What Am I?

I weigh almost nothing. I am lighter than air. But even the strongest man in the world cannot lift me. What Am I?

I’m teary-eyed but never cry, silver-tongued, but never lie. double-winged, but never fly, air-cooled, but never dry. What am I?

The thunder comes before the lightning; the lightning comes before the clouds. The rain dries everything it touches. What am I?

A name of an animal minus the first three letters plus a flat piece of wood. What am I ?

I have four legs but no tail. Usually I am heard only at night. What am I?