private void OnDestroy()
 {
     if (Instance == this)
     {
         Instance = null;
     }
 }
        private void Awake()
        {
            // Singleton local
            if (Instance != null)
            {
                Destroy(gameObject);
            }
            else
            {
                Instance = this;
            }

            // Reference
            _inputField = GetComponent <InputField>();
        }