i am custodial parent of my child andin the court order it states," enjoned from permitting an unrelated adult with whom either party has an intimate

This is standard language to prevent childrens exposure to sexual contact at the home. If you get married it is not an unrelated adult. A girlfiend can be a problem and if you intend to have her stay overnight it is best to get the wording changed. Otherwise have your contacts away from home.