Ask HN: Cons of loving to learn new things and how to work around it?

Fellow lifelong learners and anyone who loves to learn new things: What would you say are some of the downsides of wanting to learn new things all the time? And how did you work around or improve on those things?

For context I've been realizing how little I have achieved in any particular area because of my inability to stick to a topic of focus and it's kinda getting to me.