Centering on standard is essential because it brings insight into well-known relationship alternatives Plenty of experts keeps examined relationship standard (Bulcroft and you will Bulcroft 1993; Gassa; Lichter, Baston and Brownish 2004; Southern area 1993; Tucker 2000; Sassler and you can Schoen 1999; Willoughby 2014; Willoughby and you may Carroll 2015) or ; Kuo and […]