Answer:
I have a straight back and sharp teeth to cut objects.
What has to be broken before you can use it?
I am just two and two. I am hot. I am cold. I am the parent of numbers that cannot be told. I am a gift beyond measure, a matter of course. What am I?
My first two letters say my name. My last letter asks a question. What I embrace I destroy.
I'm sometimes white and always wrong. I can break a heart and hurt the strong. I can build love and tear it down. I can make a smile, but more often bring a frown. What am I?
I flow from the Homerβs mouth when he sees doughnuts.