Hi GlaceSoundRacer - It's understandable to be concerned about what's to come after a new diagnosis. You said it yourself - everyone is different and that is very important to remember.
The progression of COPD can depend on so many things. The important thing is to get a good treatment plan and follow it. Find a doctor you trust and can talk to about all your symptoms and concerns.
I'm sure you'll get responses regarding others experiences, it's just very important to remember that their experience is not and will not be yours.
In the meantime, I thought this article would be helpful to get you started: https://copd.net/basics/
Warmly,
Lyn (site moderator)