Ok Gin
Just for you but this happened at my house with her as a guest.
Ex-friend turned up on the Friday night as invited with a huge load of luggage and a fan heater. I was fine with the luggage but
by the fan heater. It was January but we live in a largish house with very good central heating and a log fire. On her bed was a double goose down quilt and a patchwork counterpane. Double cozy.
She was recently divorced and wanted to go out. Fine. We went to a little local pub and had a few drinks and then she got chatting to a couple of very young guys. We were in our forties and they were about 21/22.
She threw a HUGE hissy fit because I wouldn't invite them back to my house. My DP was there. I didn't want strange drunken blokes in my house and no I didn't want to try their drugs. I love my DP and was not interested in any bloke never mind one that I would iron Paddington jim-jams for!
She then went to bed and plugged in the fan heater. I said that the house was warm enough and did she need it? She replied that she needed it for the noise and she couldn't sleep without it and it 'only' cost three pounds a night in electricity.
The next night (and the real reason she came down for) was a Burns Night Supper for fourteen people. Four courses and crystal glasses and white tableclothes.
Get the picture?
She got horrendously drunk before 7pm and as the guests arrived she decided that each and everyone hated her. I tried to soothe her and told her it was not so.
During the starter she went upstairs and packed her bags. She was drunk "and was leaving beacuse we all hated her".
I persuaded her to stay (as there was no way she was fit to drive).
The dinner was timed to perfection and the haggis was aflaming and the toastmaster was standing ready with dirk raised (Scots MNers will understand the importance of this). I was just about to pipe in the haggis (three of them) when her phone rang. She stood in the sitting room for fifteen minutes complaining loudly to her mum about me while the haggis died and the food went cold.
The table was silent as I served and the toastmaster lost his voice and we sat in slience.
She then placed her foot very firmly in the crotch of my boss and told him "I knew you would be big".
I wish I could laugh now. 
I went to her place next. It got worse there.