Haha.. I couldn't figure out whether you were trying to write a humour article but it definitely belongs in that category!
To put it simply, Mothers block = the existence of small children in your life.
Love the term! Wish there was some kind of medication for it! (coffee & chocolate, right?) Totally in that camp myself, trying to capitalise on the 'hypergraphia' when it shows up on the rare occasion! We're all in this together, keep writing (and sleeping now and then), moms!