Hi S.! I'm sure it's frustrating, my son does it, too. Of course, there could be any number of reasons she's acting like this - other kids at school, etc.. However, I thought it might be helpful for you to know that my son, 14 months old, has been in daycare since he was 9 weeks old. I had to return to work almost immediatley. Although I dreaded going back, I am now so grateful for his school, his teachers and his interaction and socialization with others. That being said, he is most often fussy, whiny and crabby when I pick him up from school. He's almost always been this way. I found that it was common amongst other children and have been told things like 'they've been away from you all day and now when they get to be with you they cling to you all night' or 'they're exhausted from playing all day' (which is true a lot of the time). My son actually cried when we left school the other day. I was actually glad to know he liked it so much he wanted to stay and play with his friends! Maybe she really likes it! Anyway, I personally think that it's expected for your daughter to change her behavior and routines a little bit since she's gone to daycare. I know it's frustrating because you don't get to see her all day - then, when you do, she's fussy. I'm not sure there's anything you can do about it. However, I wouldn't think that it's a cause for concern unless she's like that at school, too. I would ask her teachers how she's adjusted to school. At first, it's going to be hard...but if she eventually stays happy, eats, sleeps and plays well at school, then at least you know there's nothing wrong per say. Hopefully, like my son, she'll see that time at home can be fun, too, and that you're not going anywhere. I only have one child, too, and am by no means an expert, but I think I'm going through it, too! Good luck! M.