Liquid Diet

Fireflies attract mates by virtue of their flashing luminescence. Predators mimic such mates and lure fireflies to their doom. Cuckoos lay their eggs in the nests of other species of birds who unwittingly raise alien young.

Human beings are far too alert and discriminating to fall for a handsome face or shapely body not of its own species. Humans do not fall haplessly into the arms of predators and raise young not their own. Not, at least, to their knowledge...