Do I need to perfect the langauges I currently have before moving onto the next?

I am 19, I'm in my first year of med school, my native language is arabic and I also place myself around B2 in french and B1 in turkish.

I am never satisfied with my level in either of those langauges, I'm interested in philosophy but I cant comfortably read books in french, even short ones like 'Le petit prince' require a little more effort than reading anything in english.

In turkish it's even worse, words always escape me and I can't express myself in a manner that feels "mine" if that makes sense, I am confined to the few words that I have.

Tbh, I probably don't make much progress in either langauge because I mainly listen to podcasts and speak to myself, mainly because I've been busy for the past 2 years.

But now I have more free time on my hand, I wanted to learn german but I decided not to since I'll have to learn it eventually before I finish med school, and so I've been thinking about learning mandarin chinese. But I feel so guilty because I still have 2 langauges that I did not yet perfect. And it's supporting the idea that I'm impulsive and that I can't follow through with the goals I intend to achieve.

Should I not listen to these thoughts and just do what I feel like doing? Or should I introduce more discipline to my langauge learning journey by reaching a high level in these languages?

I guess my goal is to be able to read almost everything I come across in both languages and to communicate effortlessly in the most intentional way. But I'm starting to lose hope on being able to do so, as my progress feels like it's slowing down exponentially.

I don't view myself as a polyglot, in my mind a polyglot is someone who has perfect communication in multiple languages (not just 2 in my case)
What do you guys think I should do?