Facebook like master friend

Looking for for 2 things done. 1. Separate where men data goes into one database then setup when person create account it create folder for this person where it stores there information 2. Separate where Woman data goes into one database then setup when person create account it create folder for this person where it stores there information 3. When user sign up for account they are my friend by default. "Meaning every time new account is created they are my friend"