What choices do the boys have once they confirm there is indeed a beast?

Once the boys confirm there is a beast, their choices include either facing and confronting the beast together as a group or ignoring its existence and trying to move on with their lives as best as they can. They can also choose to develop a plan to protect themselves from the beast or attempt to find a way to coexist peacefully with it. Ultimately, their actions will determine how they navigate the challenges presented by the beast.