upon
the subjective attractions
and the subjective assets
and liabilities each individual brings to the relationship.
• The stimulus is the trait (usually physical) that draws your attention to the person.
• After time is spent together dating or hanging out, values (notions of what is desirable or undesirable) are compared for compatibility and an evaluation of the maximization of rewards while minimization of costs is calculated.
• If after time and relational compatibility supports it, the pair may choose to take roles (being a boyfriend, a wife, etc.), which typically include exclusive dating, cohabitation, engagement, or marriage.