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Neurobiologist Robert Sapolsky constructed a reproductive spectrum with opposite poles being tournament species, in which males compete fiercely for reproductive privileges with females, and pair bond arrangements, in which a male and female will bond for life.These species-particular behavior patterns provide a context for aspects of human reproduction, including dating.However, one particularity of the human species is that pair bonds are often formed without necessarily having the intention of reproduction.

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Cars extended the range of dating as well as enabled back-seat sexual exploration.

In the mid-twentieth century, the advent of birth control as well as safer procedures for abortion changed the equation considerably, and there was less pressure to marry as a means for satisfying sexual urges.

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Today, the institution of dating continues to evolve at a rapid rate with new possibilities and choices opening up particularly through online dating.