What are the rules for dating younger?

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.

Is it illegal to date a girl younger than you?

California – The age of consent in California is 18. It is illegal for anyone to engage in sexual intercourse with a minor (someone under the age of 18), unless they are that persons spouse. California employs a tiered system where the greater the difference in age, the greater the penalty.