Examlex
The Hipparcos mission's data on parallaxes is useful for stellar distances out to about 200 pc.
Norm of Homogamy
A social norm that suggests individuals tend to form romantic relationships with others who are similar to them in aspects like socio-economic status, beliefs, or age.
Romantic Love Ideal
Five beliefs regarding love, including the belief (1) in love at first sight, (2) that there is one and only one true love for each person, (3) that love conquers all, (4) that our beloved is (nearly) perfect, and (5) that one should follow his or her heart.
Living-Alone-Together
A relationship arrangement where committed partners maintain separate residences but are in a long-term, intimate relationship.
Cohabitation
The act of living together and having a sexual relationship without being married.
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