My ex who had the same DOC passed every weekly UA on probation, but still managed to use all the time. I don't get it, never will and at this point it doesn't even matter. I think he had it down to a science how to pass. In the end of us, it was just too much to take. The lies and manipulation were the worst and having young kids was even worse. I wish I had walked away 2 years ago, but I am very saticfied that I left 3 months ago and will never go back.