public function removeBlame($blame)
    {
        if (!is_string($this->multiBlamesAttribute)) {
            return false;
        }
        $blameGuid = '';
        if (is_string($blame)) {
            $blameGuid = $blame;
        }
        if ($blame instanceof $this->multiBlamesClass) {
            $blameGuid = $blame->getGUID();
        }
        $blameGuids = $this->getBlameGuids(true);
        if (($key = array_search($blameGuid, $blameGuids)) !== false) {
            unset($blameGuids[$key]);
            $this->setBlameGuids($blameGuids);
        }
        return $this->getBlameGuids();
    }