The nephew of a friend of mine needed a place to stay and moved into my spare bedroom while I was in college. We agreed on splitting half of all the bills for the apartment and I never had too much trouble with him paying up, except that he would nit-pick every penny he was spending and would habitually completely turn off the heater (this was a short 2-3 month period when he lived with me during the colder months of the year). He never believed me that turning it all the way off wasted more energy and ended up costing more than just turning it down a bit to get it to stop running.

(Quick back story: I had a boyfriend and he went out every blue moon to sleep with whomever would tolerate him long enough to get through the night - harsh but true.) One night, we weren't doing anything in particular, we had our dinners and a beer or two and were just shooting the breeze. He came onto me and I ignored it for as long as I could. Once it became obvious what his intentions were, I fought back and stopped it before he got his way. I had zero interest in him or in cheating on my boyfriend. I let a day or two go by before confronting him, but when I did confront him he said that there was no way he came on to me. Clearly, I was making it up and was fantasizing about him!

At one point, he walked into my room as if he were invited while my boyfriend and I were in bed and lingered in the doorway even after I told him to leave. Can you say creepy! Oh, yeah, and WEIRD!

Eventually, it got to the point where he started expecting me, as a woman (not his woman, but simply a woman), to clean up after him and listen to anything he said without argument because I was nothing more than a "silly girl". (Hence the issue with the heater.)

I finally told him that he had to pay for his last month and be gone by the end of that month. He, of course, had to argue with me about my request too because he didn't believe that he was making me uncomfortable. He thought he was right about everything and that I was just being "silly" about everything. Finally, he paid and left on the last possible day.