got 6 months before graduating

i absolutely hate my college. i mean that in all sense. i hate everything about it. ive spent the last 3 years of my life here and i am braindead. i dont talk to a lot of people and i dont have a lot of friends. now that i have only 6 months before everything gets done i get this feeling of regret of all the things i couldve done better at(academics, cgpa, maintaining friendships, everything ) dear coconadile friendss how was/is your college life??? got any advices for this fellow redditor :)