Partners must both be at least 18 years old.
Partners must be engaged or in the first 4 months of marriage.
Partners must be fluent in English (to ensure comprehension of the survey questionnaires).
Partners involved in any kind of marriage or engagement—straight marriage, gay marriage, first marriage, second (third, fourth, and fifth) marriage, open marriage—all are welcome!
Partners must be willing to remain active in the study for the full 2-year period.