Editing Open marriage (section)

===Jealousy issues===
A 1981 study concluded that around 80 percent of people in open marriages experienced jealousy over their extramarital relationships.<ref name="Buunk, 1981">Buunk B. (1981). Jealousy in sexually open marriages. Alternative Lifestyles, 4, 357–372.</ref><ref name="Ramey, 1975">Ramey J. W. (1975). Intimate groups and networks: Frequent consequences of sexually open marriage. Family Coordinator, 24, 515–530.</ref>  Couples in open marriages experienced as much or more jealousy than people in sexually monogamous marriages.<ref name="Trost, Brown, Morrison, 1994">Trost, M. R., Brown, S., & Morrison, M. (1994). Jealousy as an adaptive communication strategy. Paper presented at the annual meeting of the Speech Communication Association, New Orleans, LA.</ref><ref name="Pines, Aronson, 1983">Pines, A., & Aronson, E. (1983). Antecedents, correlates, and consequences, of sexual jealousy. ''Journal of Personality'', 51, 108–136.</ref><ref name="Rubin, Adams, 1986">Rubin A. M., & Adams J. R. (1986). Outcomes of sexually open marriages. [[Journal of Sex Research]], 22, 311–319.</ref>