One that I will never forget was in one of those big EROS houses in Germany.
We were having a great chat and we were both enjoying ourselves, when all of a sudden my back hit a panic button. and she told me to get out quick
Security would come and ask questions afterwards, after they had beaten you up.
I went back to her later to see how that could of happened, and we spent a long time together, without sex, and without charge.
She couldn't have been more apologetic