Are new parents inherently selfish?

I’ve been contemplating this one for a long time. I think I got my first “Here’s a woman holding a baby in an operating room” photo in probably January 2009; I got my last one about 18 days ago, so I’ve been on this train for 13 years, give or take, with no equivalent photo of my own (admittedly, I’m not a woman). A lot changes for people when they enter BabyLand. It’s like entering a new subdivision, or taking a new exit on…