Answer:
Break it and it is better, immediately set and harder to break again
Crooked as a rainbow, and slick as a plate, Ten thousand horses can't pull it straight.
It is the great nemesis of the lactose intolerant.
With pointed fangs it sits in wait. With piercing force it doles out fate, over bloodless victims proclaiming its might. Eternally joining in a single bite.
Look into my face and I'm everybody. Scratch my back and I'm nobody.
I have two eyes in the front and a lot of eyes on my tail
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?