Half your age plus seven is an unofficial rule of romance often credited to French author Max ORell (Léon Paul Blouet) in his 1901 love manual with the incredibly romantic title of Her Royal Highness Woman and His Majesty Cupid.

Does half your age plus seven work?

People often use the half-your-age-plus-7 rule to determine the minimum socially acceptable age they can date — but this doesnt always work. In some cases, the results of the half-your-age-plus-7 rule doesnt reflect scientific evidence for age preferences.

What is the rule of 7 in dating?

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.

How many times should you see something before you buy it?

The Marketing Rule of 7 states that a prospect needs to “hear” the advertisers message at least 7 times before theyll take action to buy that product or service. Its a marketing maxim developed by the movie industry in the 1930s.

What is the rule of 3 for survival?

Normally, the rule of threes contains the following: You can survive three minutes without breathable air (unconsciousness) generally with protection, or in icy water. You can survive three hours in a harsh environment (extreme heat or cold). You can survive three days without drinkable water.