The flesh is good. Genesis says God thought so.
The problem with the FALLEN flesh is it has a tendency to death, while Spirit vivifies. So Paul's opposition between flesh and spirit can be best understood ( I think, this is MY deal) as an opposition between the dying aspect of us and the coming to life aspect.
The way Paul talks about Baptism is that it is dying and being buried (which is why when I'm pope we're going back to full immersion) AND resurrection. Thereafter the 'tension' is between the old me that died and the new me (yet not I, but Christ lives in me) that is coming to life.
As that comrehensible? IF it is, then it is gnostic to overstress the opposition, to think that the flesh is icky or bad.
That kind of thing.
You’re really on a roll tonight.