An aged Texan Billionaire mistakenly leaves you enough in his will to pay of mortgages, debts and have enough to pay your own salary for the rest of your life.
You finish that stack of books on the bedside table, get the exercise regieme sorted, and then ...
An older relative collected scrap metal saying that when he retired he'd become a sculptor. But he never sculpted anything in his off hours and when he retired he also didn't.
It has to be burning in you, not some idle fantasy.