This is probably unnessessary but your posting didn't make it real clear. Is your wife pumping the brakes while all of the bleeders are shut, pumping several strokes then holding the pedal down while you open the bleeder, let any pressure out, then close the bleeder BEFORE she lets off of the pedal? If you are holding the bleeder open while she pumps the pedal all you are doing is letting air back into the system every time she lets off the pedal.

Save a life, adopt a senior shelter pet.
The three main causes of blindness: Cataracts, Politics, Religion.
Name your dog Naked so you can walk Naked in the park.