Intimacy Intimacy is often defined as arising from a close acquaintance, association, or familiarity. This definition would definitely describe the relationship I have with my sister, Catherine. We share just about everything that goes on in our lives and know each other like the back of our hands. We are so close, in fact, that rarely do we hear what another is feeling before we already know. We can tell each other's mood by the body language we are using. I plan to give a brief summary of this relationship and the intimacy involved in it. There are many possible reasons why some people are attracted t