Is my close friend stealing my story? Or is it just a coincidence?

What kind of logic is this! It's okay to share the same song, but if the book recommendation and place are the same too, it's getting a bit weird. It feels like they're directly imitating you. I think you should just ask them, "Hey, are you aware that you're doing such-and-such?" You could maybe phrase it a bit gently.

I swear my friend did something like that too. They must be inspired, and if you have a good relationship, I don't think it's malicious. But if it continues and bothers you, be direct and say, 'You're doing the same thing, and I don't like it.'

I think you’re exaggerating. How right is it to attribute intentions to someone based on small things? They might also like the song, the place is popular, or the book recommendation might seem similar? Besides, when shared, it’s a common opinion; people see it and get influenced 🙄

Such situations can be explained in social psychology through mimicry and mirroring behavior. Your friend may be unconsciously taking you as a model. If it bothers you, it would be healthier to talk to them directly, but without being accusatory.

As you said, I asked without showing that I was uncomfortable, "It feels strange to me that we share some things the same way." She replied, "Oh, I had no idea," but her facial expression was quite the opposite. It was as if she was doing it on purpose.

Honestly, friends should be sincere but not exact copies. In the past, such things would be frowned upon; everyone would develop their own style. Handle this topic without anyone in your family hearing, so if it causes any issues later, it won't create problems between you.

I think there's something else going on underneath. For instance, they might be jealous of you or want to draw attention. After all, they see how everyone reacts to you and might be calculating that they'll get the same treatment.

I think you should speak directly and clearly, so it's understood whether the problem will be solved or not. Say, 'Are you aware that you're sharing the same things? It makes me uncomfortable.' If things don't change, set your distance; there's no point in dragging it out any longer.