^ aha...
yea common sense would just say that you should just orally take some methadone rather than put it directly in your piss, the body breaks down the methadone into different chemicals which are then excreted, your body doesnt just piss out methadone...if they did people would be drinking their own piss to get high
and secondly, what is so bad about testing positive? you could say you just skipped a dose or drank alot of water.