I'm an American mom raising my son in Denmark. I want him to belong here, even when I still feel in between 2 cultures. The author is American, but raising her child in Denmark. Courtesy of Rebekah Joy Portraits I'm raising my son in Denmark, but still feel like an outsider. Motherhood made cultural differences feel more intense and personal. I want my child to belong, even as I'm still finding my place. I was sitting in my cargo bike outside my son's børnehave (kindergarten) on an especially bitter February morning in Copenhagen, crying over forgetting his Fastelavn costume at home. Fastelavn, for the uninitiated, is Denmark's candy-filled, costume-wearing, barrel-smashing children's tradition, somewhere between Halloween and Carnival. It's something Danes grow up with; I, on the other hand, can barely spell or pronounce the word, much less summon the explanation my child deserves when he asks what it means.…