Why is St Castora of Gabrielle patron of difficult marriages?

St. Castora of Gabrielle is believed to be the patron of difficult marriages because of her own story of enduring a challenging marriage with patience and faith. Despite facing many trials and tribulations within her marriage, she remained steadfast in her commitment to God and her spouse, making her a source of inspiration for those facing similar struggles in their own marriages. As a result, she is often interceded to for help and guidance in navigating difficulties within marriage.