Answer:
He has married many women but has never married.
A dagger thrust at my own heart, dictates the way I'm swayed. Left I stand, and right I yield, to the twisting of the blade.
At the sound of me, one may dream or stamp their feet, At the sound of me, one may laugh or sometimes weep.
Twigs and spheres and poles and plates. Join and bind to reason make.
What stays on the ground but never gets dirty?
What do angels sing in the shower?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?