For me, as someone with side activities in the arts, going from "almost done" to "actually done" is a huge step precisely because the work is no longer a proces

For me, as someone with side activities in the arts, going from "almost done" to "actually done" is a huge step precisely because the work is no longer a process artifact, and now has to stand on its own merits. How one's ego is involved changes dramatically. There's a reason there are so many unfinished symphonies and novels...