Soon after Jay Z welcomed his first child, Blue Ivy Carter, last year, a poem the rapper had reportedly dedicated to his new baby girl zipped around the Internet. “Before I got in the game, made a change, and got rich / I didn’t think hard about using the word B—-,” it opened. “I rapped, I flipped it, I sold it, I lived it / now with my daughter in this world / I curse those that give it.” The poem turned out to be a hoax, but a spate of recent research backs the idea that close relationships with women can dramatically sway men’s attitudes and behavior, at home and at work, for better and for worse
