
I dunno, maybe I'm missing something. She is a little naive, but I don't pity the Duke. They married without love, and their relationship wasn't good to begin with. Not mention I feel that showing up with a bloodied person in a bag isn't a great introduction. It would be weirder if she wasn't wary of him. Not mention, he really didn't have any interest in her until she started to care about Ain. The Duke isn't exactly open with his feelings. I don't blame her for avoiding him. Not to mention she was a daycare worker, she likes kids. She happy to have Ain as a her son, and wants to help avoid him becoming a villain. I don't really think anything is wrong with that.

I kinda feel bad for the girl the douche is married too. He claims she didn't even care about him and only cared about herself. Yet she bought that bitch a birthday present. I don't remember if she was a bitch or not. But she didn't blow up at the mc, instead she directed her anger at the the douche. So props for her.
I love how he is the smartest, yet dumbest person.