Regular contributor Katia Raina's column on the Shore writing scene is getting into the Valentine's spirit this month, with two profiles of local romance authors. Read part one, which ran Friday, here. Coming of age in the 1950s and 1960s, Karen Bostrom dreamed of achieving many things. “I wanted to be a mermaid, an author, an architect, a teacher,” Bostrom, a Toms River resident, said. “But you kind of had to choose something.” As a kid Bostrom wrote many stories, won essay contests, received recognition from teachers and peers. Still, when high school was over, Bostrom had to face the “real…