https://www.youtube.com/watch?v=O_AooWa44iQ&t=41s

" An ex-girlfriend of mine was getting evicted from her place with no place to go, so grudgingly I told her that she could stay at my place until she found another place to live. The first day she was at my place, she quit her job. Fall turned into winter, she had her thug boyfriend in my place while I was at work, she stole from me, she would jack the heat up while I was at work, AND she moved in her four year-old child! I called the courts to see why anyone would allow a kid in a home that they never even visited. They told me to pound salt, since she was a "tenant" by this time. " (...)

I am ignorant of the details on eviction laws or how they change from state to state or province to province. More valid evidence to avoid cohabitation.