You're right - just sit for a while and the right answers - for you - will come.
And on that "You haven't changed at all" line, Please remember it is standard script.
The interesting thing, I believe, is that to comment like this, our H's MUST have noticed that we have changed - and they can't deal with it. So they come out with this pearl at the first possible opportunity to reduce their unease.
I'd take it as a good sign, actually. He's definitely noticed how much you've changed, and it's making him think.
But enough of him. This is about you, as you've realised, and you are doing just fine at the moment.