Why would your family need to know you watched porn 10 years ago. Most sane people wouldn’t want to know the details of other peoples sex life.

“You broke me” is overly dramatic histrionic phrase. I think she likes the sound of it. Singing songs to you about it? Yeah ok. Drama galore.

She needs to see a therapist specializing on personality disorders. They need to look into it and she needs to get treatment. And she needs treatment for her alcoholism. No one behaves or talks like she does. She needs help but since she refuses it, you must save yourself. Worry about yourself and your kids.