This reminds me a lot of Jad Abumrad talking about the necessity of “gut churn” when creating something new:

“Gut churn. Years and years of being sick to my stomach… Because someday somebody was going to ask us what was going on, what our plan was for this… and it was a longtime before we were able to answer those questions. That big in-between space was where a lot of gut churn took place.”

More here.