Is it normal to get turned on pissing in my flatmates room?

I like pissing in weird places, its a bit of a turn on. I dont get along with one of my flatmates so I enjoy pissing in her room, on her stuff and in her food. Then I like to have a wank on her bed and rub my junk on her stuff.

Recently I pissed in her underwear drawer, such a turn on to get this revenge.