Lord in Jesus name touch her son and soften his heart lead him to the place of Peace and fill him with Your Holy Spirit...touch her fiance and let him act like the adult and reach out to a troubled child in wisdom and in love, let him teach this child in the way that he should go in wisdom from You, let his feet walk in obedience to Your will and way let them live in the fullness of Your Truth in Jesus name......bind this jealousy in both of them and let Love guide them to a place that is covered in You. Lord speak to this situation by the Power of Your blood and bind any hindering spirits that are causing all this hate and arguments. Lord touch her with wisdom to reach out in love to both of them and seek Your divine will in all of this situation...