Hi am new to mumsnet and really need peoples advice i split with the ex hubby 4 years ago since then he has had contact with our 2 kids who are 14 and 8 lately the 14 yr old refused contact due to a difficult relationship with his dad and contact the last few months has been off and on with the 8 yr old my ex has now told me and the 8 yr old that hes back with the ex gf a relationship that has been on and off for a yr (more off than on) in March they split as my 8 yr old was having bad dreams about the gf killing me along with bad nosebleeds tummyache which the doctor put down to stress of the so called relationship so contacted was stopped a month later the ex dumped her (again) the dreams stopped and contacted was started again but now hes bk with the gf and the dreams etc have started again and the 8 yrs old is refusing contact what can i do??? i did try talk my daughter round last time but now we found out hes been lying for months about the gf and dropping my daughter bk early just so he can visit the gf!! My daughter feels very upset and let down but of course all this is my fault and his kids should fit round his life and he told our daughter they only dreams.....NOT to an 8 yr old little girl they not!!! any advice???