Disclaimer: POTC and its characters belong to Disney, not me. But if I owned it, this is how it would end.
Will's second night as captain of the Flying Dutchman found him at the ship's rail, staring down at the dinghy and the neither dead nor dying sailor in it. Will's father tossed down the rope, and Elizabeth-now-indeed-Turner climbed aboard.
Will recovered his wits enough to kiss her soundly.
"I thought – the rule -- one day on land every ten years…" he stuttered when they broke apart.
The Pirate King grinned at him. "Well, we're not on land, are we?" she said, and stole another quick kiss. "Besides, I figure it's more of a guideline, really."