With the rest of the family racing NASCAR, Serene isn't about to be left out. At six months she is cruising in her walker at warp speed. By seven months, she can crawl. And, at not quite 8 months, she is can pull herself up and has all the mechanics to walk. It won't be long now until she is running around the house. For more on the differences between boys and girls, Dr. Anita Sethi says it far better than this mom....http://www.parenting.com/article/real-difference-between-boys-and-girls