<p>If you want her to pay for what you think are use of resources only for your roomie’s benefit, you’ll need to examine all of your apartment life to be fair. Does one roommate take longer showers? He should pay more. Do you study late into the night? You should pay more. If you only take showers once every three days, shouldn’t you pay less? If you don’t cook at home, you should pay less. It isn’t fair for you to focus on just this one thing. You have to use common sense.</p>
<p>Wanting to keep a house at 52 degrees is not in the realm of normal behavior. You’d be hard pressed to find a house full of people who would agree to that. I suggest that you get your own place as soon as you can afford to.</p>