AngeTheGreat on YouTube is pretty famous for having written a car engine simulator purely for simulating the sound that they make - https://youtu.be/RKT-sKtR970 is a good launching point

Can you help me understand what you mean by “ Unless you’re autistic, like me, 5 days is possible”? Are you saying you think you can’t learn to draw in that time frame because of your autism?

I enjoyed the use of present tense in your comment

My wife is my best friend - we do almost everything together and she knows me better than anyone else.