Where has my baby gone?

My little girl is six today and I can't believe how fast the time has gone by. When I am stressing out about my toddler's attitude lately, I just remember how my daughter used to be just as bad at that age and how great she is now. She is the sweetest, most thoughtful, appreciative little girl I know (of course, I am slightly biased). So we are looking forward to the attitude change in our son, but at the same time I don't want to rush him out of babyhood because we're probably not having any more babies and they grow up fast enough on their own!