As for "if you are ever in Shanghai," it's unlikely I'll ever be back. I was there back when it was civilized, and I've watched with every trip there how it has deteriorated further and further as those Zhongworms whose boots you lick reduce it to just another Chinese city.
I'm curious why you're so eager to meet me though. Are you that eager for an ass-whooping? You might want to... oh, how did you put this?
"...seek out some professional help to deal with your masochistic and self-injuring tendencies."