private UIManager()
{
_gameController = GameObject.FindWithTag("GameController").GetComponent <GameController>();
var characteristicsController = _gameController.Player.GetComponent <CharacteristicsController>();
_canvas = GameObject.FindWithTag("UICanvas").GetComponent <UICanvas>();
_canvas.EatButton.onClick.AddListener(characteristicsController.OnEatButtonClicked);
_canvas.SleepButton.onClick.AddListener(characteristicsController.OnSleepButtonClicked);
_canvas.WorkButton.onClick.AddListener(characteristicsController.OnWorkButtonClicked);
_canvas.RelaxButton.onClick.AddListener(characteristicsController.OnRelaxButtonClicked);
_canvas.CheckEmailButton.onClick.AddListener(characteristicsController.OnCheckEmailButtonClicked);
var clock = _canvas.Clock;
clock.UpdateTime(GameTime.ClockToString());
GameTime.OnTimeChanged += clock.UpdateTime;
}