Happiest Day of Life

Today is the one-year anniversary of the happiest day of my life (thus far).  I did a Google image search to see what kind of pictures symbolized the happiest days of people's lives.  Weddings, newborn babies, sports victories, recently caught fish.  And yet, on mine, I didn't get married, I didn't become a father, I didn't win the game at the buzzer, and I didn't reel in a massive carp.  This was someone's though: