What a time to check back in while waiting for my coffee to finish brewing.
First, let me echo those who have expressed their deep appreciation for the existence of these lessons and the forum in which to share our efforts. They were absolutely essential for me to progress, and I really liked the camaraderie that I found here.
Second, let me just say that there is some well-regarded kayaking here in southeast Tennessee; indeed, the 1996 Olympic kayaking competition was held in this area. Mssr. Delcamp may consider this an invitation!

I certainly can understand the sense one gets on occasion that it is time to move on. The comment about "once I get home from the conservatory in Brest I feel like doing something different (kayaking, for example). " is revealing, but then again, if Mssr. Delcamp is still motivated to go to the conservatory in the morning, then it sounds more like he is seeking balance in his life, not necessarily retirement from CG entirely.
Finally, let me offer my thoughts on the lessons. I stopped last year after D04; I may take up D05 even after a year's break, but I'm not sure. One thing that would energize my interest is if one could pursue progressively more complex pieces within a given genre or style of classical guitar music. I have come to really like certain styles, periods, and composers, and less so others. During D01-D04, I viewed playing unappealing pieces as the musical equivalent of "eating my vegetables" - I knew they were good for me and that I should do it, for developing technique as well as exposure to unfamiliar genres. But going forward, if I could focus on progressing in a particular style or from the works of a given composer (or their method), or if there was a modular system that let me pick and choose the pieces (a la carte, from an approved set) to record and post, that would have much greater appeal to me.
Also, with the final exam, one's grade comes with no constructive or critical feedback. It would be good to know what weaknesses one should be working on. Is it timing? Legato? Mere accuracy with playing the right notes? Since presumably the jury is of more experienced players, not merely peers (as with the month-to-month lessons), their feedback should carry more weight, and thus, having it would be very helpful.
I echo Rick's comment - it would be wonderful to have a GFA-type convention of JFD students to gather in person! Either at a central location or multiple places (one per continent, perhaps). I do hope the lessons continue in some form or fashion, for they provide at least one thing that most in-person teachers don't provide, and that's a community of players. And for many, they provide instruction that we simply can't find locally. Again, many thanks.