Po Bronson is the co-author of "NurtureShock" with Ashley Merryman.
You can read an excerpt from the book by CLICKING HERE.
Growing up, my brothers and I fought all the time. We bickered, competed, and pummeled each other. But we also played together endlessly, from morning to dusk, indoors and out. We played every sport in the backyard, built forts in trees, jumped off ramps on our bikes, swam in the lake, and built elaborate haunted houses in our basement.
According to Dr. Laurie Kramer,...Full Story