Muddle,
Sadly I agree with whatisis. Your W might wish some harm come to you, just to rid you out of her life, but to your son? That is sick? I don't mean to judge her as I know you love her deeply and I am only responding to the information that you post but PLEASE, do not leave him in her care. I don't know if I asked you before but is your W in therapy? If not, would she be willing to go? My perception of things is that she is just SO childish. She needs to get a grip and deal with things or you need to do it for her by kicking her a$$ to the curb (without her son or money). I hate to be so harsh but the more I read the more I want to smack her...