Finally I'm not alone with my pop stuff anymore

I think this is a pretty good start and you definitely did a great job of implementing what we talked about.
ChatGTP lyrics in general (Joanne's app uses that) are not my thing, too many rhymes and clichés, but sung it sounds better than it reads above.
I like your song


The satisfaction level is comparable because it's still an effort to get the final result.
At least in terms of lyrics that's different for me, there is nothing more satisfying than doing them myself.
That said, I think it's interesting that you've used AI (or machine learning systems) as much as possible to figure out what's possible with it.
And you learned that, contrary to the claims of some, you still have to know a lot about music to write music.