I rather like CW's refusal to answer any personal questions and also her ability to avoid mentioning any personal stuff. I have never been much interested in the other therapists' lives, though they volunteered stuff.

But OP, I am curious, why would knowing her favorite colors help you? I could see how knowing she loves dogs and you do too could help you bond, but not colors. (The only person in my life whose favorite color I know is my mother, and that information is about thirty years old.)