 In her 2005 book "Surviving Intimate Terrorism", Nussbaum argued that her denial of the danger she and her children lived in was typical of some chronically maltreated persons (see battered person syndrome).Nussbaum claimed that she fled from the home six times, only to later return.Nussbaum mentions the medical theory that trauma, especially prolonged trauma, can elicit the body's production of opioids that produce mental and physical numbness.