Dd is two and has just started nursery this September. At the settling sessions and the first three to four ish weeks she was so happy, literally didnt cry at all. This week however shes been crying a lot at drop off. I know im probably overthinking it a bit as this crying and clinginess has coincided with her getting over the last of a cold and being chronically constipated, but i feel so worried that shes suddenly become like this.