Advice please? how to reinvent myself?

I feel really down lately iv been doing alot of stuiped **** like drinking and stuff..about everyday just because I feel empty all the time I seem to have no interest in a relationship even though all my friends are in them, I get all the wrong guys bc I party and I have boobs ha, but summers coming up and I want to isolate myself for two months and change myself for next year, any advice?