Answer:
I will go within you and destroy you. Only because you wanted me too
I start in little but I end in full you'll find me in half and complete.
Though not a plant I have leaves. though not a beast I have spine. Though many wouldn't need me I am more valuable than wine.
I contain five little items of an everyday sort. You can find all five in a tennis court.
cats and deflation tires make this noise.
Dark, feathery, and popular in Baltimore and fantasy books.