FYI, Lover of the Day has been installed by more than 700,000 Facebook users.
Fortunately, I watched the whole incident unfold from the beginning and was able to calm Mary down while convincing John to get rid of that application pronto, before he ended up getting suspended from school. (The middle schools where I live are totally freaked out about how to deal with Facebook and bullying; a three-day suspension is standard for even a minor social network offense.)
When not being utterly appalled by Facebook apps, Dan Tynan writes about too many things for too many people, including his geek humor site, eSarcasm. Follow him on Twitter: @tynan_on_tech.