I encourage you to look at it in a different way
say "Wow, I am SO amazing that I could tell her so much stuff in the very first visit! I never could have done that 2 years ago!" and
"Golly, I got all that information out and I did not catch on fire or implode!"
You have to give yourself credit for an amazing accomplishment. She's thinking how brave you were!

It's great you were comfortable - it means that you are coming in with good skills for therapy, you know how to "do" therapy. Of course, it will just take time to truly feel good and comfortable like an old sweatshirt and slippers.
Breathe.
Journal.
Hug yourself