By all means enrich yourself and learn new things, but don't delay your game for 5 years so you can teach yourself how to draw, use proper proportions on figure

By all means enrich yourself and learn new things, but don't delay your game for 5 years so you can teach yourself how to draw, use proper proportions on figures, color, etc. (on your own because why pay a teacher?). Remember that you're in business, and even if you're a solo dev it's not all about you and your personal growth, it's about whether your business can deliver. The good advice from a conference this past weekend: "if I was hiring, would I hire myself to do this job?"