By now you've for sure heard a million reasons why smoking is gross - the yellow teeth, the wrinkles, the smell, all that stuff. But there's probably one absolutely disgusting thing you haven't thought of... You see this? This is what happens to your home when you smoke inside: tiredoftalkingtoyou / Via reddit.com Look how yellow those walls are: 1stumbler / Via reddit.com This is the floor just outside a smoker's apartment: jousiemohn / Via reddit.com And this is the floor in a smoker's bedroom: OregonOriginal / Via reddit.com Look at this before and after: Twitter: @ServproNewtown And look at the sheer brown-ness of this liquid: Twitter: @SimonChapman6 THAT'S SOME BROWN STUFF! Look at the difference between a smoking section and a non-smoking section: MrWonanother / Via reddit.com And look at these walls that have been freshly painted compared to stained walls: Twitter: @meggiemissy I mean, yikes: Twitter: @mrs_schubert That poor, poor wall. Crukas / Via reddit.com Can you imagine the smell? imgur.com This looks like something out of a horror movie. Twitter: @LiamSauve This is some gnarly stuff: Twitter: @Artteach13 Truly ghastly: toekneebullard / Via reddit.com Just remember, you can clean walls but you can't clean lungs: Facebook: thingsthatarenotaesthetic Have a nice day!