The version in your head will always look better. It’s also the only version nobody gets to enjoy.

Imagination has no execution problem. The thing in your head has perfect timing, perfect lighting, and no awkward middle section, because you never had to build any of it. Real work always loses that comparison. If you only stop when the real one matches the imagined one, you will never stop, and nobody will ever see either.

Finish the flawed version and let it out. Compare it to nothing you made rather than to the fantasy. The gap you feel is not failure, it is taste running ahead of skill, and making more is the only thing that closes it.