But the rule of seven may not actually describe what people consider acceptable.
In 2001, a team of Dutch social psychologists, led by Bram P.
From another point of view, the chart can be interpreted as saying that there should not be an age disparity of as much as five years unless the younger person has an age of 19 or more, a ten-year disparity should exist only if the younger person has an age of 24 or more, and a twenty-year disparity should occur only if the younger person has an age of 34 or more.
In , a 1953 film adaptation of the 1951 play by Frederick Hugh Herbert, Maggie Mc Namara—playing 22-year-old Patty O’Neill—asks her 30-year-old suitor, “Haven’t you ever heard that the girls is supposed to be half the man’s age, plus seven? In the 1950s, Nation of Islam leader Elijah Muhammad “taught that a wife’s ideal age was half the man’s age plus seven”; this age gap should make up for women’s maturing more quickly than men, as well as ensure that the husband was sufficiently authoritative over his wife.
When Malcolm X met his future wife Betty Sanders, he interpreted the fact that their ages fit the rule of seven as a sign that they were destined for each other.
Graph of the Half-age-plus-seven rule ("never date anyone under half your age plus 7"), which claims to dictate what age disparity between two people is acceptable in dating/romantic/intimate relationships during the late 20th century / early 21st century (called the "Standard creepiness rule" in the xkcd webcomic).
According to this rule, the age of the younger person should not be less than half the age of the older person plus seven years, so that (for example) no one older than 65 should be in a relationship with anyone younger than 39 and a half, no one older than 22 should be in a relationship with anyone younger than 18, and no one under 14 years of age should be in a relationship at all...
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