My son was three when his baby sister was born. In the months leading up to the big moment, he was very excited about becoming a big brother. He would watch my husband pat my belly and sometimes talk to my stomach. One day my son walked up to me and gently rubbed my belly and gave it a kiss. I was just about to tell him what a wonderful big brother he was going to be when he turned his head, put his mouth against my stomach and yelled "Wake up!"