In a previous Psychotherapy in Private Practice article (Winter, 1985) the author suggested that Vietnam veterans with PTSD, having been unsuccessful in mastering earlier Eriksonian Stages of Psychosocial development (Identity versus Role Confusion) manifested by problems in career maturity, would likewise be compromised in their mastery of the next stage of psychosocial development, versus Isolation. Vietnam veterans with PTSD on an inpatient Stress Disorder Treatment Unit at the VA Medical Center, North Chicago, completed a Sexuality and Intimacy Research Instrument. Their answers were compared with a similar group of inpatient veterans on the Drug Dependency Treatment Community. There were significant patterns of answers given by the PTSD veterans which supported the hypothesis of difficulties mastering the psychosocial stage of versus Isolation.