Because in the end even Vic got under her spell and turned out not to be so gentlemanly he'd appeared to be. He did not abuse her or anything, but he became just like those hordes of guys all over the station who were drunk with her pheromones. I thought he was better than that.
I thought that his resisting till the end would be something different in the light of literally everyone else falling for her. Everyone wants her, but she doesn't want them. And she can't have the one she wants. Ha! Know how it feels!
But it didn't happen; Vic likes green too.
In a Cardassian library
or in a Cardassian gallery
"Reagan, it appears, is really only an ardent unionist if the unions in question are in Poland" - Stephen King, Skeleton Crew