No. It isn't legal for a 16 year old to have sex with a 20 year old in California, so living together is out of the question. You can get your parent or guardian to sign papers to allow the two of you to marry, but not live together unwed.
you would have to get parents ok to live with him
No.
With parental approval, yes!
yes...if she wants
depends where u live
In most places she will be considered an adult. She can live where she wants to.
No, Possibly, it depends where they live.
No.
You would have to ask the estate agents or the police for imformation
No
No she should still be living with here parents
It depends on which country you are in but in many a 13 year old would be classed as a minor.