How go detox myself... please respond guys

Currently in 3rd year of girls college of Du(south campus)....whole college life was shit ....girls here are so judgemental..always in serious mood ..no fun no bunks ...plus college hectic schedule as I am a day scholar... can't explore delhi much as I had to reach home by time as I do part time to manage my daily expenses.I only had one friend with whom i used to bunk college (not from my college, friend from school time) but due to some reason we ended our friendship.I am just fed up of this....want some changes... suggestions please