Half your age plus seven rule.

A mathematical equation used to find the youngest age a person can date without being considered a disgusting, cradle robbing freak. (A/2)-7=Y, where A is your age and Y is the youngest you should date.

Conversely the rule can be inverted to find the oldest age a person should date. 2(A-7)=O, where A is your age and O is the oldest you should date.

John is 26 and dating a 20 year old named Kate, (26/2)+7=20. Their relationship satisfies the half your age plus 7 rule.

Kate is 20 and dating a 26 year old named John. 2(20-7)=26. This relationships satisfies the inverse of the half your age plus seven rule.

by Trojan91 July 21, 2012

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Other people are getting the reverse rule wrong. It would not be twice your age minus seven; it would be twice (your age minus seven).

- Dude, you're 40 and dating a 27-year-old. Isn't that a bit gross?

- Hey, half-your-age-plus-seven.

- Oh? So that means you would go for twice-your-age-minus-seven? So for you that would be 73.

- Actually, it's twice-the-quantity-your-age-minus-seven. So 66.

- ???

- I'm guessing you're too dense to see this algebraically. It's alright; we can take our results and work backwards. 73/2=36.5, and 36.5+7=43.5. However, 66/2=33, and 33+7=40. Got it?

- Ah, OK. So you'd go for a 66-year-old then?

- Fuck no.

by randomname25 February 26, 2010

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