I had a dream early on (after second or third session) that had an element I associated with a particular advocacy organization. I told my therapist about it and she disclosed that she's a member of that organization. She shared it with me because a client had noticed a picture of her in the newspaper as part of that group, so it wasn't a secret (although it was unknown to me because I live in a different city). Then we argued about the role of this group in my dream, and I thought it was funny that she was arguing with me about something in my dream life. There was another element to it that proved to be true in the way that it demonstrated our relationship--she was wobbly and I steadied her--she said she liked that part best. I later found out why she was wobbly. I still think about that dream sometimes. It's good to share those things in therapy, I think.