Yeah and Ashley goes off the deep end very easily. She's always been "delicate" emotionally since the beginning. And with Kay being very suspicious of her past behaviour and not happy she is married to her son sort of ties into the Ashley story line, not to mention yet another blow to her when she found out from Tucker how Diane was telling the truth when she said they had sex. I think that all those 3 things, just pushed her over the edge and Diane is responsible for 2 of the major stress in her life right now.