Your Top Concern #4–My Partnership/Marriage is falling apart!

You said it and I hear you: you're worried (some of you are literally worried sick) about your marriage/partnership. Here's what you've said:

-"My husband is married to his kids, not to me. He's so close to them. Whenever they show up I feel and am shunted to the side. If I complain, I'm a petty wicked stepmother. So I don't say anything. And then I'm furious at him, and at them."
-"When his kids are around he won't even hold my hand. That hurts. And it makes me dread their visits."
"He's not f...