I cannot tell you how many times the first one has happened to me. When I am absolutely sure of nothing but the error's occurrence(so that I can file it as a bug), this happens.
Also, the law of Non-overlapping of Office Timings.
Working is not all that cracked up as I imagined. Especially since my Facebook life is more exciting than my real life.
And of course, the inescapable 5-day Bell Curve. My apologies...doesn't look like a bell curve but imagine the lines are rounded at the peak.
If you have any, you can always contribute through the comments section.