Adam and Associate Professor Phil Kavanagh from the University of Canberra have created the Romantic Love Survey 2022. It is a cross-sectional survey of 1,556 young adults experiencing romantic love from 33 countries. The Romantic Love Survey 2022 is the largest and most cross-cultural dataset of people experiencing romantic love in the world. It includes data on demographics, romantic love, relationship characteristics, mood, personality, and sexual activity. A longitudinal component will be collected every six months for five years.
More information is available at the Love Consortium Dataverse.