User blog comment:EtherealNyx/OTMs- March 2016/@comment-25954732-20160221191140

To answer Sabs' question, you cannot vote for a ship with characters that have won Ship of the Month before. Just in the interest of fairness.

So, don't vote for a ship with Quinn in it. Not that you would, because what ship with her could compare to Cainn? XD lol, I'm sorry