Editing Breakup (section)

===Factors that predict a breakup before marriage===
Hill, Rubin and Peplau<ref>{{cite journal|last=Hill|first=Charles T.|author2=Rubin Zick|author3=Peplau Letita Anne|title=Breakups Before Marriage: The End of 103 Affairs|journal=Journal of Social Issues|year=1976|volume=32|pages=147–168|doi=10.1111/j.1540-4560.1976.tb02485.x}}</ref> identify five factors that predict breakup before marriage:
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# Unequal involvement in the relationship
# Age difference
# Different educational aspirations
# Difference in intelligence
# Difference in physical attractiveness
}}