VIDEO : Kim Kardashian Doesn't Know How Her Daughter North Will React To Baby Brother

As her due date inches closer and closer, Kim Kardashian is feeling all sorts of emotions as she prepares to bring her second child into the world. In a new blog post on her website, the reality star, who is currently expecting a son with husband Kanye West, says she feels ?nervous? about introducing her eldest daughter, North, to her younger brother when the time comes. ?I?m nervous about how North will react, but I know she?ll be such a good big sister and I can?t wait to have this addition to our family. I know it it won?t be easy?North even has a hard time adjusting when I hold other babies!? Kardashian said.