why is my text not changing? [please help]

When I start my game I press a button that suppose to change the text to somthing but its not changing Why? Lines: 75-76

 using UnityEngine;
 using System.Collections;
 using UnityEngine.UI;
 using UnityEngine.SceneManagement;
 
 public class TCMain : MonoBehaviour {
     
     public Text text;
     public Text TB1;
     public Text TB2;
     public Text TB3;
     public Image imageGO;
     float timeLeft = 15f;
 
     public enum States {backstory, cell_1, scout_1, scout_2, talk_1, sleep_1, lock_1, blood_1, talk_2};
     public States myState;
     
     void Start () {
         myState = States.backstory;
     }
     
     public void Update () {    
     if (myState == States.backstory) {
             timeLeft -= Time.deltaTime;
           if(timeLeft < 0) {
         myState = States.cell_1;
         timeLeft=4f;
     }
             state_backstory();    
     }else if (myState == States.cell_1) {
         state_cell_1();
     }else if (myState == States.sleep_1) {
         state_sleep_1();
     }else if (myState == States.talk_1) {
         timeLeft -= Time.deltaTime;
           if(timeLeft < 0) {
         myState = States.talk_2;
     }
         state_talk_1();
     }else if (myState == States.scout_1) {
         timeLeft -= Time.deltaTime;
           if(timeLeft < 0) {
         myState = States.scout_2;
     }    
         state_scout_1();
     }else if (myState == States.scout_2) {
         state_scout_2();
     }else if (myState == States.lock_1) {
         state_lock_1();
     }else if (myState == States.blood_1) {
         state_blood_1();
     }else if (myState == States.talk_2) {
         state_talk_2();
     }
  }
   
      void state_backstory () {
         text.text="You wake up in an odd bed, you quickly realize that you are in a prison cell." +
                   "You try to remember what you did that caused your arrest. But you could not recall a thing." +
                   "You try to remember who you even are, but you couldn’t, no matter how hard you tried.";
         }
     
      void state_cell_1 () {
         text.text="You hear people whom you assume are guards outside the room. what will you do?";
         TB1.text="Go to sleep, maybe you just need a rest and you’ll remember?";
         TB2.text="Ask the guards why you’re there";
         TB3.text="Scout the room maybe you could find some clues?";          
     }
 
     public void state_pass () {
         state_sleep_1();
     }
     
      void state_sleep_1 () {
         TB1.text="";
         text.text="A day passes...";
         Day_2();
     }
     
     public void state_talk_1 () {
         text.text="You ask the guards why you’re there.\n" +
                   "They laugh at you… it seems this isn’t going anywhere.\n";
     }
     
     void state_talk_2 () {
         text.text="The guards leave, now that you’re on your own, what should you do?\n\n" +
                   "V.Scout the room, if the guards won’t give you answers you’ll get ‘em yourself!\n" +
                   "L.Try and pick the lock";
         
         if (Input.GetKeyDown(KeyCode.V)) {
             myState = States.scout_1;
         }else if (Input.GetKeyDown(KeyCode.L)) {
             myState = States.lock_1;
         }
     }
     
     public void state_scout_1 () {
         text.text="You look around the room…\n";
     }
     
     void state_scout_2 () {
         text.text="You look around the room…\nYou see some writing on the wall:”it never ends” and some scratches counting up to 20.";
         
         if (Input.GetKeyDown(KeyCode.V)) {
             myState = States.blood_1;
         }else if (Input.GetKeyDown(KeyCode.S)) {
             myState = States.scout_1;
         }
     }
     
     void state_lock_1 () {
         SceneManager.LoadScene("Lock");
                   
     }
     
     void state_blood_1 () {
         text.text="111";
     }
     
     
      void Day_2() {
         imageGO.sprite = Resources.Load<Sprite>("DayCounter2");
     }
 }