How Long Should You Make No Money on a Side Project Before You Know It's Time to Move On?

How long should you make no money on a side project before you know it's time to move on? This is obviously different for every single type of side project. I don't think the answer to this is actually calendar time. How many hours of my childhood did I pour into Mario Kart? All of them. Get ready. It's coming. Gray wants to do something we haven't done in a while, Caretax. No. Where we take it. What he'll do in this again.