He starts to say something, then stops. Jack changes his direction both in words and outwardly as he walks over to confide,

"Death has a curious way of reshuffling one's priorities."

A beat.

"Now. I slip aboard the Dutchman, find the heart, stab the beating thing-- your father goes free from his debt, and you're free to be with your charming murderess."

The sardonic weight on the final words is clear, but Jack doesn't sound any less sincere for it as he finishes his proposal and looks expectantly at Will.