It's already happened, since we haven't contacted each other for a while.
Last night I went out, and my sister was there. She turned around and walked the other way when she saw me (at a club) but neither of us left, so it was a weird situation of completely ignoring each other whilst dancing metres apart. I suppose it was a little bit like seeing an ex. It feels awkward, but you still get on with what your doing and who you're talking to.
Long term I'm wondering how on earth this is going to work? It's a very small town, everyone knows each other, so I'm worried about people asking questions. Or even things like asking me to pass on a message so I will have to tell them I don't actually speak to them anymore.
I would love to move away, there is nothing here for me anyway. I moved here when I split with my ex for family support 
. But now my dcs are in school. My ds has asd and the thought of changing his school terrifies me! And I think it would be terrible for him when he is doing so well in his current school.