Answer: It is important that tllhat Toby stop Berlin's giggling so that they won't get attacked.
Explanation:
In the text, the focus was on the mental struggle of Paul Berlin to conque the fear he had in Vietnam. On his first day in combat, he watched as Billy Boy Watkins died of heart attack, and after that he was on a tense march to the sea at night.
He thinks about home and his childhood in order to curtail his fear. As he recalled certain events, Berlin giggled and another soldier had to stop him so his noise won't alert their enemies. It is vital that Toby stop Berlin's giggling so that they won't get attacked.
