When a Catholic priest encounters a person younger than them they apply the "Catholic rounding" technique to determine if they are of an "acceptable" age.
1. Determine your minimum "acceptable" partner age via the
Half plus seven (HPS) rule.
2. If the person's age is less than the HPS result, but greater than or equal to the legal age of consent (LAC) in your country, apply Catholic rounding using the following formula:
Acceptable age = LAC
3. If the person's age is less than the HPS result and less than the LAC, apply the following:
Acceptable age = Person's age