public function save($object, $values)
    {
        if (Cuztom::isEmpty($values)) {
            return;
        }

        // Filter
        $values = apply_filters('cuztom_meta_values', $values, $this);

        // Do
        do_action('cuztom_meta_save', $this);

        foreach ($this->data as $id => $field) {
            $field->save($object, $values);
        }
    }