Answer:
I have joy in bringing two together, but darning my existence! My life hangs by a thread, filled with ups, downs and resistance!
What never gets any wetter no matter how hard it rains?
Though I should be unique, you've made most of us the same. I would be stronger, if my characters were stranger.
What instrument plays from the heart?
What devours all and can kill a king. Destroy a town and crushes mountains down?
Two little holes in the side of a hill. Just as you come to the cherry-red mill.
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?