title: How to stop co-routine?
body: <p>When two co-routines are running, how do you stop the first co-routine?</p>
  
  <pre><code>GLOBALS.stableTime = 5;
  
  IEnumerator StableWaittingTime ()
  {
          yield return new WaitForSeconds (1f);
          if (GLOBALS.stableTime == 0) {
                  GameManager.instance.LevelFaildMethod ();
          } else {
                  GameManager.instance.stableWaittingTime.text = GLOBALS.stableTime.ToString ();
                  GLOBALS.stableTime--;
                  StartCoroutine ("StableWaittingTime");
          }
  }
  </code></pre>