You are eligible to participate if you and your romantic partner:

• are both willing to participate in this study over time

• are at least 18 years of age

• are currently in a monogamous romantic relationship (only with each other)

• have been dating for less than 12 months

• do not live together

• are not engaged or married

• do not have children together

• can read and understand English

• have reliable access to a computer or smartphone that can access the internet every evening

• are residents of the United States (and can show Photo ID demonstrating this)

There are no other restrictions for participation eligibility. We welcome participants of all backgrounds, gender identification, and sexual orientation.