Mojo: I'd write back to inform him that, apparently, the check for child support must have fallen out of the envelope.
Then, I'd go here and unleash the awesome power of a fully armed and operational government program designed to collect what you are apparently too bunny to do for yourself. That's fine, by the way, but at least let your bunny enlist the lioness paid for by your/my/our tax dollars so you can afford to pay your internet subscription. (Purely selfish motive at work)
