You cannot spawn anyone with your mind without affecting your own life negatively. Free Will is at the core of our being; to try to influence someone with mental power goes against the laws of the universe and as such adversely affects the person who tries to do so.
This article is about attracting a person to your life who vibrates at the same frequency as you. Like attracts like in the thought world so if you are consciously or unconsciously thinking about spawning people then you will attract to your life people of like nature who would want to spawn you.