If you have ascertained your why, and you understand the true underlying motives, to make the Developer-to-Manager transition, then I can assure you that your journey will be meaningful and rewarding. The journey itself will be challenging and difficult at times, which is to be expected. Whether you will enjoy a professional life as a manager is a great question.
For me, I have no doubt that it has made my career more rewarding and interesting. I had the choice of continuing to test and develop software, which is how I began my career in IT. While I enjoyed writing and breaking code (preferably someone else's), I found myself wanting to learn more and more about the managerial side of the software business: the commercials, the development process, the team, and the people.
In short, I had a natural curiosity toward being a manager in the software business...