Okay, so this won't be a typical post for this blog, partly because Our Hero gets approximately one minute of screen time (he's uncredited - one of several inexplicable cameos in this film, to be revealed soon), but partly because on this day, I have a higher calling.
So let's pretend that your "friend" has invited you over to watch a movie, and this appears on the screen:
Here's what you should immediately do to your "friend":