Make and mantein relationchips

Hello im 21 and a university student ( english is not my first lenguage sorry for the mistakes), i study medicine and im only a yeat and a half a way from finishing my carrear but i dont know i feel that i wasnt able to really made friends like create deep relationchips with People i have "friends" but we talkmore about the academics that anything personal. And i dont know what i did wrong or what can i do to be better. Becouse for a long time i was like super focussed just on studying you know? But know that im near the end i feel that i loss oportunities and rigth know is like an important period for our future preparing for practice year so i dont know if i can or still have time to try and i deaple fear that it Will continúe like that in the future.... cause i have been feealing lonely lately...