I have a roomate Jess who usually has bad breath. At first I was worried it was me, but then the more time i spent with her, I realized it was her, and it became a huge turn on. She frequently brags about her poor hygiene, how she hates showering and brushing her teeth, and how greasy her hair was. I couldn't get enough of it.  

One night I got drunk and told her. I was worried she would notice her bad breath and fix it, but to my delight the opposite happened. Jess stopped showering all together. When i can smell her bad breath its like cat nip to me, which was now all the time. There was a cloud of sweat and body odor when she walked by, and I often tried to cuddle with her on the couch to feel her dirty greasy hair. 

 She was a total skank.  Every weekend she'd go out to pickup boys. Even as bad as she smelled she was usually able to find one who was drunk enough or dirty enough to fuck her.  I started not showering as well, trying to be more like her. We started sleeping together during the week. I would wake up to her foul morning breath washing over me. I would smell her armpits and crotch while she slept. Both were very hairy, and both smelled like month old sweat. Her cunt smelled like a toilet. I'd catch her doing the same to me once in a while. We were two gross skanks.