And you stare at it forever and wonder what you could have done better.
Or move on after realizing that there's no way you're going to learn stuff without doing a LOT of stuff, most of which won't work out or even go anywhere, and it's perfectly normal and fine to have lots of unfinished/dead/dormant/abandoned/(call-them-whatever-helps-you-move-on) projects.
Or move on after realizing that there's no way you're going to learn stuff without doing a LOT of stuff, most of which won't work out or even go anywhere, and it's perfectly normal and fine to have lots of unfinished/dead/dormant/abandoned/(call-them-whatever-helps-you-move-on) projects.