and why is that whenever you manage to get to the luggage collection area at airport first, your luggage will be the last one to arrive 
and why is that whenever you are tooo hungry, you always have a single slice of bread left in fridge and when you butter it, it fells down on floor with its buttered face down 
and why is that whenever you think you have a brilliant idea to present in an official meeting, your boss will say it before you had presented it to him 
and why is that the paper you are looking for in a file is the last one in file. and when next time you start from the bottom of file, its always the 2nd or 3rd from top 