I understand he's a retail worker and he has to tow the line but in these situations you always, always want to out-crazy. I had to talk to a vegan awhile back and I stole that line from the Simpson's about not eating anything that casts a shadow.
So now I'll make sure I have some dragon lineage shit on hand if I'm ever lucky enough to have this happen to me
Jesus. I would have lasted thru about 20 seconds of that shit before I called security. At least there's a vidcap of this guys face for the local news to use later.