You did the hard part. Take a beat.
Raising kids to the point where they don't need you anymore is, quietly, one of the biggest accomplishments there is. If your nest is emptying out, take a moment to appreciate what that means: you pulled it off. Now the financial questions shift from 'protect the people who depend on my paycheck' to 'protect what I've built, and make it last.' Different chapter, same instinct — taking care of your people.