This piece was first published on Head Butler. I was intrigued by Jillian Medoff’s stunning new novel, I Couldn’t Love You More, from the very first scene: a princess-themed birthday party in suburbia with ten shrieking, tiara-wearing four-year-olds. Eliot Gordon, the birthday girl’s overextended working mom, learns from her own mother and sisters during the party’s cleanup that Finn Montgomery…