I'm sure everybody, no matter what Hogwarts house they're in, wishes they could spend their hours of study and leisure in the Gryffindor Common Room . None of the other common rooms could compare to where Harry, Ron, and Hermione spend their Hogwarts days inbetween classes. The Slytherin Common room would make you feel like you're surrounded by concrete, with the AC always turned up way too high. There's probably a lot of fluorescent lighting that would do a number on the complexion. Look at ho…