This article is a little bit racy, but it seems to get to the heart of a huge issue with this Facebook generation involving relationships. Relationships and breakups have been made even MORE complicated by social networking and technology, as if they weren't complicated enough in the first place! Interesting read.
I think a good way to start your first math lesson is to mention an example which all students can relate to, like rollercoasters or movie theatres or Facebook. Then find a way to show the math involved or have the students figure out something.