“Parenting isn’t easy, when done correctly,” one of my moms once told me. As somebody who is not (as far as I know) a parent, I can only ruminate on the challenges I watched my moms endure in raising my sister and me, but it seems to be an accurate observation. Though, to be fair, this is coming from the woman who, when I was twelve, told me that sex was very painful until you were thirty-five. (You’re welcome for that tip, by the way.) At the time, Terry—my biological mom—didn’t mention the additional challenges LGBT parents face, but she didn’t need to—we were all pointedly aware of what...