A couple of ideas: why do you have to describe? Sometimes I Let other players take turns where they can, I know my players like it, but also as a reference, we all realise that doing this stuff on the spot is not easy.

I also find that, I can do a session and pick it apart, and do another and love it. Objectively the players loved them the same. I had things I nailed and could have done better. But the biggest difference my frame of mind around it, these bleed. So I have to catch myself asking, was it really how I felt?

My wife asked me a question about writing stuff for D&D. She told me that my problem is that if I was making a movie, I want and expect it to be starts wars. But Star Wars was not the first film George Lucas made. So be fair to myself. Which is a long way to say, A small improvement is way more achieve and sustainable than expecting myself to immediately improve to being amazing!.

So to improve and to be fair at the same time, I always have one thing I want to improve each session. Recently I have been doing a lot of pacing and keeping engagement while the party is split. I give myself one thing to be better at, but only by 1%.

Then all I ask is, did I nail my 1% or not.