How can someone with fake birth documents know his real birth age?

That's a great question! If someone has fake birth documents, it may be challenging to determine their real birth age. However, here are a few possibilities: 1. Personal knowledge: They may still know their actual birthdate and age, even if their documents are fake. 2. Medical records: Medical records or old hospital documents may contain accurate information about their birthdate and age. 3. Family members: Relatives or family members may know their true age and birthdate. 4. Investigation: In some cases, authorities or investigators may be able to uncover the person's true age and birthdate through thorough research and verification processes. Keep in mind that fake birth documents are often used for fraudulent purposes, so it's essential to address the underlying issues and seek legal and professional help if needed.