The wine was flowing. A bowl of mixed nuts was down to the crumbs. Someone knocked over a glass mid-story—a sure sign that the conversation had shifted into high gear. It started, like these nights do ...

Looking back, the signs were there. “For one, he was kind of rude to my friends,” Jess says. “And he would totally shut down whenever he got upset.” Still, it wasn’t until after they broke up that ...