[Xander makes no further remarks until he's finished binding the pirates' wrists and feet, and has also tied them all to the mast of the airship. Once done, he straightens up and admires his handiwork.]

All right. They're as secure as can be.

[He then turns his head to address Velvet again.]

You don't need to keep further watch, but you still can if you wish.

At any rate, I owe you some thanks.