According to the rule, the age of the younger partner (regardless of gender) should be no less than seven more than half the older partners age. Martin, then, shouldnt date anyone younger than 26 and a half; Lawrence shouldnt go above 34. The rule is widely cited, but its origins are hard to pin down.

What is the half your age plus 7 rule?

The rule suggests the younger person in a relationship should be older than half the older persons age plus seven years in order for the relationship to be socially acceptable. For example, the youngest a 26-year-old person should date is 20.