X vs Y: No not male vs female chromosomes

It's so cute how positive they are. I suppose this is the end result of having a "Baby On Board" sign to protect them as kids.

It’s a bit of a generation game when it comes to appreciating the implications of the global recession, with Generation X workers who were born in the Sixties and Seventies fearing the worst, while Generation Y workers who were born since the Eighties are feeling no fear.