You could ask the same questions about abusive intimate relationships. Cribbing from that "book"- Destroy their sense of self-confidence & self-worth. Pick 'em

You could ask the same questions about abusive intimate relationships. Cribbing from that "book"- Destroy their sense of self-confidence & self-worth. Pick 'em young- they are easier to fool. Give them brief moments of sunshine to make them hope it'll get better. Promises. Threats. General megalomania.