Been split from ex for just over a year now, he moved on very quickly much to my disgust, still grieve for him daily but I'm really struggling to come to terms with his GF being a part of my daughters life! I don't see why I should have to share my daughter when this isn't my decision?! I get upset weekly when I have to drop her off then she comes home saying she likes this new girl (which obviously kills inside) she's only 2...