Divide by 2 add 7 dating
Muhammad might not have been the most reliable relationship counselor, though; he was also concerned about height disparity: “a tall man married to a too short woman, or vice versa … Now, the half-your-age plus seven rule has entered the cultural lexicon.
It’s defined ten times on Urban Dictionary, gets its own section in Wikipedia’s page on age disparity in sexual relationships, is espoused by Barney Stinson on “How I Met Your Mother” and is referenced by and The Awl.
The rule is widely cited, but its origins are hard to pin down.
In its earlier incarnations, it seemed to be a prescription for an ideal age difference rather than the limit of what’s okay.
In August 2010, Michael Dunn of the University of Wales Institute, Cardiff completed and released the results of a study on age disparity in dating.
Martin, then, shouldn’t date anyone younger than 26 and a half; Lawrence shouldn’t go above 34.
For convenience, the line representing x=y is also shown (in blue).
The area between the blue and red lines shows where you are the older partner in the half-age-plus-seven calculation, while the area between the black and blue lines shows where you are the younger partner.
Similarly, in his autobiography, George Arnold Escher (1843-1939, father of famous artist M. Escher) claimed that when he was looking for a wife ca.
1880, he thought that the ideal ages for husband and wife at marriage would be if the woman's age was half the husband's age plus 10. Self-made graphic, with layout partially influenced by the PD image en:image: Half Plus Seven Graph 2.[[Woman is sitting on the ground with her elbows on her knees and her hands on her chin.