Yours Cruelly, Elvira: Memories of the Mistress of the Dark, where she opened up about her 19-year relationship with her partner, Teresa 'T' Wierson.She and Wierson started a relationship after the end of Peterson's 25-year marriage to her former manager Mark Pierson."I'm happy and relieved to finally allow our secret to see the light of day," Peterson writes of sharing the details of her relationship in her memoir.Although the couple's friends and family knew of their relationship, publicly, Peterson was worried she would feel that her fans would feel lied to.She explains in the book, per EW: "So I worried that if I announced I was no longer living the 'straight life,' my fans would feel lied to, call me a hypocrite, and abandon me.""Would.