Answer:
I start in little but I end in full you'll find me in half and complete.
I can bring tears to your eyes; resurrect the dead, make you smile, and reverse time. I form in an instant, but I last a life time. What am I?
I have a straight back and sharp teeth to cut objects.
Better touch me before you proceed to second. What am I?
I will disappear every time you say my name. What am I?
What is always coming but never arrives?