So my ex-husband's fiance hates me. Flat-out, I know from a mutual friend, does not like me... she resents me. For no clear reason because it started before she and I ever started really communicating. Years ago, just after the start of her relationship with Matt, I changed my name back on FB to my actual name (with my married last name) and she thought I did it to upset her (I'd done it during teacher appreciation week so my students could find me, I often change my name on FB because of parents). On a recent virtual learning day Liam and his stepsister got into a bit of a spat via text message and Chrissy decided to threaten Liam with reporting him to the school principal and guidance counselor. That set off a chain of messages between us that ended with her calling me "a constant source of negativity in their lives". No matter how hard I try to clear things between us, she responds with vast generalizations and accusations, "like you always do" "un...