The Kind-Hearted Smart Aleck

Wanna hear a silly argument? Look no further than yours truly and my girlfriend. Granted, I think this seemingly never-ending debate is/has been conducted in a joking kind of manner. In any case, the more I think about it, the sillier it appears to me. It also reminds me of a similar debate my parents have engaged in for years and in a similar kind of tone. While I was born on February 28th of 1981, my girlfriend was born on March 19th of 1980. It is my belief that she was, is, and always will be older than I am - by about 11 months. It is my girlfriend's claim that between February 28th and March 18th of every year, we're the same age, yet she's older between March 19th and February 27th. Why is this? Because I'm measuring age with specifics and she's just using years to do so. This is reminiscent of my mother and father. While my mother was born on December 24th of 1954, my father was born on March 29th of 1952. Every December 24th, my father claims that the two...