Answers are grounded in this paper and cite their sources.
Caryl E. Rusbult, Dennis J. Johnson, Gregory D. Morrow, Predicting Satisfaction and Commitment in Adult Romantic Involvements: An Assessment of the Generalizability of the Investment Model, Social Psychology Quarterly, Vol. 49, No. 1 (Mar., 1986), pp. 81-89
No takes yet. Share an insight, caveat, or question.
Rusbult et al. (1986) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: