Someone once said "Startups don't die, they commit suicide".
I was working on a small bootstrapped product for some 3 years. I had great opportunity at the time, because I was still young and living with my parents and I didn't have to work for money at the time. I got some pushback after launch, but I was tired of the sacrifice and started freelancing and moved out to live on my own. I never formally declared that I quit, I just thought that I would do it in my off time. I had little imagination that this would practically meant that I'm quitting because I was not getting anything done with that approach. 2 years later, I decided to get back to it again. I started laying low, go back to living with my parents (this time I did earn money though), but I unlocked some 40h/week for my product experiments. After some 6 months of experimenting with the old idea and realizing of how horrible the code was, deciding to rewrite it from scratch, I came upon a related, but different idea that I have found actually to be useful myself and I saw just how superior it was to the previous idea and how it solved pretty much every problem with the old product. I also made many mistakes with the old product launch, that was just due to being too inexperienced (being too greedy with the price, not marketing to enough people - and of course, giving up way too quick).
I'm still working on the new product. Not sure if it will succeed in any way but I do not want to lose momentum. I'm learning tons. While working on the current idea, I have 2 new ideas for bigger products. I guess if it fails I will try the VC route with something new. BUT do I wish I could go back in time to the time when I stopped, I would be 2 years ahead and likely launching the new product now.
My story is of someone who did not succeed yet. If I persist and not die too soon (like literally die), my story will fall under "survivorship bias".