“…Research examines how instability in parental romantic relationships affects well‐being among children and adolescents (Bronte‐Tinkew, Horowitz, & Scott, ; Carlson & Furstenberg, ; Cavanagh, ; Cavanagh & Huston, , ; Cooper, McLanahan, Meadows, & Brooks‐Gunn, ; Fomby & Cherlin, ; Fomby & Osborne, ; Gennetian, ; Halpern‐Meekin & Tach, ; Lee & McLanahan, ; Magnuson & Berger, ; Osborne & McLanahan, ). Although this research advances our understanding of the consequences of family instability, it has largely neglected instability and transitions that occur within, rather than between, relationships (for exceptions, see Hernandez, Pressler, & Dorius, ; Nepomnyaschy & Teitler, ). Indeed, a substantial minority of youth experience parental separation and reunification, with one estimate showing that at least 16% of children experience parental relationship churning by age 5 (Halpern‐Meekin & Turney, ).…”