Answer:
It is the great nemesis of the lactose intolerant.
What begins and has no end? What is the ending of all that begins?
Searing 'cross the pitch-black skies, I scream in celebration, Yet moments later, my outburst through, I am naught but imagination.
It's anything but amusing when this body part gets hit.
What has thirteen hearts But no body or soul?
What is so fragile that saying its name breaks it?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?