Ok so we have had our night together.
As suspected we were unable to avoid the talk about us and our trip etc.
I told her that we couldn't go together the way things are and she agreed so it looks like I will be going with the boys on our own.
She has asked however that I not tell either the boys or my sister until closer to the time.
She also reconfirmed her position that our marriage is over and that she is 99% sure there is no way back, what that 1% means I have no idea but she has started to drag some issues fron the past up as some sort of excuse for what she has done, almost to tyr and excuse it and validate her affair and blame me for the marriage breakdown. This really annoys me as I have never claimed to be perfect but the past few years have been good and she at least should recognise that.