I am in the process of settling my 2yo ds into a playgroup. There is a settling in process of about 2 weeks (ending on Friday) before he starts attending 2 days a week for 3 hours in the morning. Over the last few days I have extended my time away from him saying that I'm going to the shops and will be back in a bit. He is fine when I leave, kisses me good bye and says 'see you later', but today is the longest I've been away (1.5 hours) and he was apparently upset on/off for a lot of the time. They said he didn't cry hysterically and he was ok but red-eyed when I arrived back, but apparently he wouldn't let anyone else comfort him when he was crying, he wouldn't join in with their activities (snack time, reading stories etc) and just kept playing with the trains, at times through sobs. One of the staff sat with him the whole time trying to engage him but he wasn't interested. I knew it was probably going to be hard as he's never been looked after by anyone but me but I am worried. Is this normal? How long should I leave it before I pull him out and try again in a few months? I asked him this afternoon if he wants to go back tomorrow and he said yes, he wants to play with the trains again. And when he left today he gave the staff huge kisses and hugs...