How can i Lessen my Jealousy for him? 🥹🥹

My fiancé and I have being dating for more than a year now,we are getting married in four months Inn sha Allah 🙏 this guy loves me and my family with the whole of his heart like he dose everything for us,but I have a problem of jealousy i easily get jealous when I see him talking or chatting with his female friends on the phone🥹like ni wacece just because he is dating me can’t talk to his female friends?🤦‍♀️I always put the pressure on him and is really disturbing me Dan Allah ku taimaka min if there is any du’a I can do to stop me from being jealous I just want a happy home with him and yeah it’s not like I don’t trust him wllh I trust him 💯and you know what i don’t get jealous of his wife I swear to Allah I like that woman I take her more like a sister not kishiya I don’t even want to see her as kishiya she is just my sister because he showed the both of us that he loves us so much and we love him to the extent of liking what he loves so that made us like each other too❤️ I need a du’a🙏