The structure of thesis contains 4 main sections: Section A: This section provides a preface of the whole portfolio which seeks to link all the sections together. Section B: This section constitutes the thesis on Borderline Personality Disorder, and is the largest section of the portoflio. The research sought to understand female patients' perspectives of their interactions with staff, within an inpatient psychiatric unit. The research study comprises of a literature review on Borderline Personality Disorder, methodology section, analysis section and discussion section. Section C: This section includes work from my professional practice. A combined advanced process report and client study is presented. This section focused on my work with a client suffered from obsessions of sexually harming children. Section D: This section presents a critical review of the literature linking depression and agression in men and the impact on domestic violence. Therefore, the central theme of this portfolio is interpersonal vulnerability and it's impact within varied contexts.