Answer:
disclosure reciprocity
Explanation:
Disclosure reciprocity effect:-
This is the process in which the two individuals lead to share their personal details which they think these are very significantly confidential which each other. It involves the increasing intimacy in the relationship in which the two parties share thinks and feel comfortable. It only happen when both the parties are willing to share the information equally.
Similarly, from the question, the relationship of Bill and Susie tend to be open is marked by the disclosure reciprocity effect.
