Yes. He's kind of gone past the point of no return. But she's in denial; she figures everything will be all right if she keeps him safe. And once he realizes it's not meant to be, it'll be easier. And if he's right about the pirates being/becoming good guys, then they can damn well save the world, and without him.

And she hasn't quite realized that Rangers protect their own, and that Gai's teammates once walked into a warehouse with guns blazing and swords out to rescue a teammate. Oops. She'll be lucky if her door is the only thing she'll have to replace.