How do you Create a Story?

I made a save recently of an elderly couple raising their grandson from a toddler. I created them in CAS. I am going to have the teen lose everything when his grandparents pass and be homeless. A rags to riches gameplay. I turned aging off so that the elderly couple wouldn’t pass before he aged up to teen then have them pass when he aged up. When I aged the boy up to teen, I had the grandfather pass away. As grandma and grandson were talking through their grief on the patio a story idea came to mind. What if while they were talking, the grandson asked grandma about how they met, what happened to his mother, who his father was. So I’m creating a new save to play their story out. The family is saved in my library so I’ll age grandma and grandpa down to teens because in my mind that’s when they met. The whole time I’m playing this, I’m imagining grandma telling this story to her grandson. I’ll play that save out up until the time they end up caring for him, then go back to the other save, pick up where I left off with her saying “and that my dear, is how I met the love of my life and how we got to be so blessed to have you in our lives. She will get up and give him a kiss and then she will pass away from grief and leave him with this love and also tragic story of her life and how he came to be. I will also make sure he’s inspired when I take a screenshot of that moment and make it a memory. That way when he starts thinking all is hopeless, I’ll have him remember this and inspire him to keep on going. I’m setting up the save to play and can’t wait to get started.