public function listenFormSave()
    {
        $this->dispatcher->listen('eloquent.saved: App\User', function($model) {
            if (!is_null($language = Input::get('language'))) {
                $uid         = auth()->user()->id;
                $meta        = UserMeta::firstOrNew(['user_id' => $uid, 'name' => 'language']);
                $meta->value = $language;
                $meta->save();
            }
        });
        return $this;
    }