In his new research regarding Twitter, Clayton found these outcomes occurred regardless of duration of relationship. (sciencedaily.com)
Mean duration of the relationship of the couples was 13.4 ± 5.5 months (range: 6 - 24 months) and the mean duration of the sexual activity was 24.7 ± 12.2 min (range: 10 - 57 min). (journals.plos.org)
Nevertheless, the court ordered a duration of 9 years being right in the midpoint of the minimum to maximum duration given the 12 year duration of their relationship. (macleanfamilylaw.ca)