You can include things like: I've been thinking about this/looking forward to this for years, and I wanted _______ for my Senior pictures.
Did you come out of it feeling like you had a good idea of what you would need to do? Also, how did you feel about finally talking through the details?
How did it make you feel, what happened that you liked/loved?
What emotions did you have, what did Mom/Dad think?
Was it what you expected?