DS is 3.5 and a bit of a dreamer, and a loner (and an only child as yet). He goes to nursery 3 days, and we have several friends we do things on on non-nursery days - but more and more he acts as if it's just a chore to see friends. He likes to play with toys alone and creative his own imaginative worlds - and gets upset if he has to share (of course we do all the teaching him to share, if he kicks off about it I remove him to calm down, all that stuff, I don't indulge it.)
We tend to bump into people on the walk to nursery, and recently on the way out a mum suggested walking home together. In both cases DS was really upset, almost in tears. It's as if he just wanted his quiet time with me, walking, and then he was expected to chitchat and socialise and he couldn't be doing with it. In the latter case, the friend from nursery, who is a bit older, kept asking "why isn't