“…First, the problems that couples face likely change as they develop both as individuals and as a couple (Reese-Weber, Kahn, & Nemecek, 2015). For example, whereas issues of trust and jealousy often plague younger, less established couples (Feiring, Markus, & Simon, 2018;Kurdek, 1994), older couples must deal with marital problems related to each other's health (Cano, Johansen, Leonard, & Hanawalt, 2005). Second, understanding the problems facing couples whose marriages have endured for decades may yield important, and heretofore, mostly overlooked, insights into what issues may be easier to live with in a marriage than others.…”