Which element is so important to intimacy that early researchers considered it the definition of intimacy?

Question

Quizplus · Accepted Answer

Early researchers considered self-disclosure to be the definition of intimacy as it involves sharing personal information, thoughts, and feelings with another person, which can create a deeper sense of closeness and understanding in a relationship. While passion, love, and loyalty are important elements in relationships, they do not necessarily define intimacy in the same way that self-disclosure does.

Which Element Is So Important to Intimacy That Early Researchers