“…Coupled or not, how well parents get along influences how active fathers are in children's lives (Carlson, Pilkauskas, McLanahan, & Brooks‐Gunn, ; Fagan & Palkovitz, ). Fathers are more likely to provide formal and informal child support when they have cooperative coparenting relationships with mothers (Goldberg, ; Turner & Waller, ), and the association is stronger for informal support, which both mothers and fathers prefer (Edin & Nelson, ; Waller & Emory, ). As coparenting relationships deteriorate post breakup, paternal informal support tends to decrease, which often prompts mothers to file court orders, leading to the further decline in relationship quality (Goldberg, ).…”