Answer:
Always wax, yet always wane: I melt, succumbed to the flame. Lighting darkness, with fate unblest, I soon devolve to shapeless mess.
I always run but never walk, I sometimes sing but cannot talk, No head on which a hat to place, You always look me in the face.
A word I know, six letters it contains. Subtract just one and twelve remains.
Of no use to one, Bliss to two. Men lie for it. The baby’s right,
I open wide and tight I shut, Sharp am I and paper-cut fingers too, so do take care, I'm good and bad, so best beware.
What do angels sing in the shower?
Difficult
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?