When Walhydra is having a bad day, hour, minute, second, and she can't find any way to rationalize or psychoanalyze her way through it, she grasps for some other way to point the finger.
The first fallback is Moon Phase, the second is Moon Void of Course status, and the third is Mercury Retrograde.
Of course, none of this really changes anything...but it's fun to shift the blame.
Look for these links on the sidebar, about halfway down.
:-)