DD turned 3 last month. She's been going one day a week for nearly a year now, and moved classes in August. She's always been really happy until a few weeks ago, when she had a "bad day" (due to tiredness I think; it was a Monday after a busy weekend) and was apparently tearful and uncooperative all day.
Since then she keeps saying she doesn't want to go anymore, and this Monday cried from the moment she woke up until I dropped her off (and most of the day according to her teacher). Unfortunately she can't (or won't?) tell me why, just says she "doesn't like it" and wants to stay at home with me, then gets distressed if I ask any more.
What can I do? How do I stop feeling mean and guilty when I drop her off, and how do I get through Monday morning with her grizzling and becoming increasingly distressed when I've got her big brother to get ready for school too?