When you will get dumped, according to Facebook:
Finally some good useful research coming from Facebook. This chart gathered from over 10,000 status updates by researcher David McCandless indicates the most popular times that breakups occur.
In a pattern apparently very much influenced by the college calendar, Spring Break and the period two weeks before Christmas witness huge spikes in breakup frequency; people also like to begin the summer by being single, and Monday is the most common day of the week for breakup announcements. (Via Geekosystem)