My three (nearly four) year old has been at nursery since 10 months old. Sadly a lot of her good friends left this year to go to school. She is really distraught at drop off now and apparently she just burst into tears in the middle of the day yesterday. Is this normal with such big change, as she's got a whole new set of friends to make? (Even though she's known a few that have come from the toddler room)! Any help/advice really appreciated! I feel so awful leaving her when she's so upset.