Time to be an adult.
The court order has read since 2005 that both parents will provide health insurance for the kids, contingent on it being available at reasonable or no cost. The Ex used to have a job that, in addition to paying her quite well, offered decent health insurance; she got fired from that job on purpose ( She told people she wanted to get fired just so that she could get her child support reduced. ), lost her health insurance, and collected unemployment for a full year. After she had exhausted her unemployment benefits, she then got a part-time job and wasn't eligible for employer-sponsored health insurance. After the judge ordered her to do so, The Ex finally got a full-time job that also paid well and also offered insurance; when she left Boyfriend and moved to Tiny City, she quit that job and lost that health insurance as well. The Ex doesn't really care about this because she and her two youngest kids are enrolled in state insurance that she doesn't have...