Previous research examining self-expansion has typically combined self-expansion and arousal within the same activity. This paper determines that self-expansion, not arousal, drives the benefits of these activities on relationship and individual well-being.
Tomlinson, J. M., Hughes, E. K., Lewandowski, G. W., Aron, A., & Geyer, R. (2018). Do shared self-expanding activities have to be physically arousing? Journal of Social and Personal Relationships. Advance online publication.