Agreed here. And also when you find a group of friends who want to achieve the same goal as you do, you'll find that those opportunities to improve your impromp

Agreed here. And also when you find a group of friends who want to achieve the same goal as you do, you'll find that those opportunities to improve your impromptu keep growing. For example when competition time comes up. I remember how we would train for those. It's all about getting into it. Once you find the flow you can decide if you want to practice more to perfect it. But otherwise it becomes more or less like a bicycle. You don't forget how to cycle. But the occasional ride to keep you fit will help :D