>>343246>while my sister lives the life I've always dreamed ofThat dream life that has an expiration date..
You've got only three years left, that's nothing really. Student life passes before you know it. You can suck it up for three more years, after that you'll be able to leave your parents' place and craft your own dream life, or at least a comfortable life, one that's more permanent and more satisying than the fleeting life of a partying international student. Do you think your sister will be satisfied long-term? Failing classes over and over again as she watches you graduate and get a good job and be financially independent? You're way too focused on these short-term things.
You're (presumably) live with your parents rent-free, have meals paid and cooked for you, the home cleaned for you. You don't have it that bad, there's plenty of students who juggle full-time school and an exhausting part-time job to be able afford education. So you deal with the cons. Okay so it's noisy at home? Study at the library or stay at school to finish your homework there before you head home. Win/win situation because you'll be at home less. Get a pair of eaplugs if it's that unbearable.
>forbidden to get home after midnightWhat's she gonna do? Kick you out? Disown you?