Friedphoton, I have done the same when I wasnt able to take any more! The 2nd neighbour from hell I had was a woman who had 5 plus guys a night for a fee and was in breech of her tennancy agreement. It was only when the police were investigating her did the council finally move her. I had my car trashed and her family and regulars came onto my property and were threatening me, I ended up throwing one guy over my boundry wall and pushing the other over the gate, they thought that because I was a girl they could push me around but got a bit of a shock. Normally I wouldnt challenge anyone alone in the street as I am not a agressive person but they were in my garden and were lifting their fists to hit me and yelling like idiots at the same time. The Law in the UK a totally different to the USA and are pretty ancient, they have just started to change it in the last three years but have a long way to go.
I did enjoy playing rock music so loud that my pictures fell of the wall, and I could hardly hear her banging on the wall. Then the next day I played opera for hours on end in the house as I worked on the motorbike in the garden. I even downloaded some rave to treat her to on the weekend when she was at her peak entertainment time and I went out on the bike for 6 hrs. Ironically when she moved out the council put in another couple he was a drug dealer and beat the hell out of her, I had had enough by then and sold my house, the whole street was starting to change for the worse and people like myslf were selling up to get out.
Sometimes its the only way to exert some kind of payback for the torture you have been getting, playing music and getting the police involved but it can back fire if your not careful.

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Varium et mutabile semper foemina.