I had not built a business.
I had bought a job.
It took me eleven years and a business I loved to work that out. You cannot fix the business while the operator is falling apart. So I rebuilt both, the same discipline, and I call it The Return.
Opening your first cafe or restaurant? Thirty minutes before you sign the lease. No pitch. Or type your age, see every week you have left, then decide what to spend them on. No signup.