Ravenclaw: If you turn the water off half way through your shower and continue using the water left in your skin it saves you money on your water bill while also helping the environment.
Slytherin: Fuck that, when I'm trying to get warm in the middle of winter I am not turning off the water to scrub myself with a damp lufa while gradually getting colder. Fuck. That. My water bill can skyrocket if it means I am not cold and miserable.











