AIBU? My child is friends with another child, whose mother is a nightmare. For years she has copied everything that I have bought for myself and especially my child. She has always asked repeatedly where is this from and made every effort to get the same especially for her child. When they were toddlers It was annoying but I tried to ignore it. Now they are older, it is irritating to the point I don’t like to tell her where I bought items. Now she has decided to send her child to the same school as mine (had other options available) It will only get worse. I feel so angry and livid. I was happy having limited contact. Now they will be constantly there despite my trying to keep them at arms length. I can’t cut off all contact as the children are friends. Just feel so angry. AIBU?