[header] How to help loved ones with histrionic personality disorder [title] Set limits. [step] When your loved one has histrionic personality disorder, you need to establish strict boundaries for your relationship. Your loved one may engage in attention-seeking, manipulative, or embarrassing behavior at any time, which in turn affects you. 
Have an open, honest discussion with them about your personal limits. [substeps] For example, tell your loved one, " if you start manipulating me, i will leave " or " if you start acting out or embarrassing yourself to get attention, i will leave.