Feel like life is going nowhere?

Im 23 year old girl - 2nd year in medical school - Came from a abusive relationship 1.5 yrs ago - no boyfriend- few good friends at college - outgoing/ opinionated ( some kids in class hate my guts for this)- The guy who likes me, I dont feel like hanging out with him at all - I want to belong somwhere but I prefer my space at the same time so he always feel rejected by me - I dont know what is wrong but life seems like its on a stand still - After class and clinics , I just work out for 2 hours..the back to same old routine again - I never call parents or relatives - I grew up in a boardings school so Im not used to that support system again - some day I want to have a family and fix everything that went wrong with me with a fresh start- I cant seem to start this dream- Im doing well academically and Im passionate about medicine - but I feel like my personal life is a pile of garbage and Im sitting on it not knowing what to do - I like a guy in my college who is about to graduate in a month and even now Im scared to tell him that.....help me.