The strange process of expulsion resumed , the hill peaking high with a pulsing movement and the skin tearing open . Rin could only hover in sympathetic agony while Manji bit down on a peeled stick and dug his fingers into the gravel . Again the emergence stopped and the rent began to heal , though the protrusion did n't retreat .

Options:
(1). Sticks taste good and are fun to taste .;
(2). Sticks have good nutrition .;
(3). Sticks have anelgesic properties .;
(4). Manji was in great pain and biting a stick is a trick to deflect the focus of the pain .;
Answer the following question: What is the reason Manji bit down on a peeled stick ?
(4).