Some people think that these orbs are ghosts showing up in photographs. Other people think they are dust on the lens or something. However, there were several of these photos taken in a row, and the orb only shows up in this one.
I think it's my father, whispering to my evil sister, "You're still my favorite..."
(Just to give you a sense of the no-age gene in my family, we are... in order... 50, 83, 54 and 59. I think my sister Loretta, 59, is the MOST amazing of the bunch!)