If you're having trouble with your roommate, you are not alone. I can count on one hand the number of roommates I ever got along with… And I've lived with quite a lot. Some of them were great friends who turned into enemies after we moved in together, and others were strangers who became best friends. Weird, but that's life. This person (OP) was furious when their roommate demanded they pay an extra $50 in utilities after using the microwave 3 times and ‘leaving the kitchen light on’. OP refuse…