Like with most Cancers, the lunacy waxes and wanes with the Moon cycles (changing polarity every two or so days when the Moon enters a new sign).
(the lunacy; waxes; ) (the lunacy; wanes; ) (the Moon; enters; a new sign; T:every two or so days)
the lunacy the lunacy the Moon
waxes wanes enters
a new sign T:every two or so days