If you’ve promoted a book, then you know what I’m discovering, which is that it’s deeply uncomfortable and weird. You finish the book and then, over a year later, you’re talking about it again. You’re asking people to read it, to write about it, to let you talk about it, to talk about it with you. If you’re lucky, you’re doing a lot of this.
Enjoy the ride. You might enjoy this Brevity blog post/list essay answering an events coordinator's question: "What is the target audience for your book ... and why do you think your book will interest them?" https://brevity.wordpress.com/2019/05/09/people-who-will-be-interested-in-my-book/