.......because she (Yorkie) attacks the other dog (JRT) whenever he has toys, is being made a fuss of, or just gets excited. She goes for his neck all fur flying as only a little feisty Yorkie can. It is quite frightening.
Dogs Trust have advised that things won't get better, so to return her tomrrow. She needs to go to a home where she is the only dog and with someone who will pander to her every whim.
I am very upset, but will not put the other lovely dog we got under any more strain as he is a little sweetie who is basically getting afraid to move.