How can I make her not worry ?

I am moving to L.A as soon as I turn 18 im going to live in East Los my mom does not want me to got because she knows im going down the for a guy who is a gangbanger but not my bf just a homie I am most likely going to be jumped in I try to explain this is what I want to do with my life I want to hold it down with my raza but what can I do to make her not worry ?