public function getRelatedFAQs($limit = null)
    {
        $tags = $this->owner->Tags();

        if ($tags->count() == 0) {
            return null;
        }

        // find any FAQ that has one of the same tags
        $faqs = FAQ::get()
            ->innerJoin('FAQ_Tags', '"FAQ"."ID" = "FAQ_Tags"."FAQID"')
            ->where(sprintf('"FAQ_Tags"."TaxonomyTermID" IN (%s)', implode(',', $tags->column('ID'))))
            ->exclude('ID', $this->owner->ID);

        // limit the faqs if applicable
        if ($limit && is_int($limit)) {
            $faqs = $faqs->limit($limit);
        }

        return $faqs;
    }