I learned on these boards that a WAS will often be that way towards the LBS and kids because they are looking for justification. If their home life is miserable enough somehow (which is why they will nitpick and find fault) then they can find reasons in their mind for looking for happiness elsewhere. This is why it is so essential that you not react and not let it get to you. If you do, it provides further justification in her mind: "H is such a jerk to me... it is understandable that I need someone else" etc. If you "act as if", she can't play those mind games with herself. Stay strong, keep your plan in place!