This is a complicated question since typically Colorado is a no-fault jurisdiction but you do suggest that he has a capacity to work and actually earn more than you, but has simply been shirking his duty to the family to remain employed at his reasonable earning capacity. The details of what amounts to potential economic abuse should be discussed with experienced legal counsel. The value of economic fault in your case should not be discounted. You will want to develop your goals, the supporting facts and a plan to reach them in your dissolution of marriage process.