I (45M) have an 11-year-old daughter, Paige, from my first marriage. She's my world. After the divorce, I met my now-ex-fiancée, Sarah (39F). For four years, she seemed fine with Paige. When I proposed, Sarah was ecstatic and threw herself into wedding planning. One night, Sarah said her niece would be the flower girl. I agreed, but added Paige should be one too. She frowned. Sarah: "I DON'T THINK PAIGE FITS THE PART." Me: "She's my daughter. Of course, she'll be in the wedding." Sarah: "THE WED