Not a percentage of salary earned. No, she believed, still believes, that the child support is her entitlement. This is no longer a relationship it's just a business contract. I am no longer a person to her, I'm a debtor. I'm the problem. I'm the reason she's unhappy.
Depression aside, the most powerful work we can do on ourselves is to get straight with our family of origin. It may take a lifetime, and you may not be able to fully rid yourself of the unhealthy influence, but you've got to keep trying.
Two smart people with good intentions entered into a contract and sprouted two beautiful kids. What would've gone wrong did. And the foundation which still seemed strong and intact to me, was no longer sustainable for her.