We didn't do the full procedure, just a subset of the questions. We were not forming intimate relationships, just developing a sense of closeness in a short amo

We didn't do the full procedure, just a subset of the questions. We were not forming intimate relationships, just developing a sense of closeness in a short amount of time and learning about what that involves (e.g. reciprocal personal self-disclosure). So I don't think it was harmful or unethical.