Good question.... I've wondered this myself. Although.... it *would* be cool if, once becoming sufficiently evil, there is a chance of becoming an ice-demon & being eternally damned to sail a wicked ship.
A man's only love can be the sea. There is no time to think of settling down, not when there are Kaihmer to enslave. Speaking of Kaihmer, in all my years I have yet to see one that looks like a real woman- it is difficult to tell the difference, perhaps they too grow beards... They all have that smell about them, even before I spit them on my rapier.
One would wonder how they even reproduce? Certainly the smell alone would drive a man to cut his nose from his face and feed it to his dog. I would let a Kaihmer dog sleep in my house before I let a Kaihmer woman... The dogs just smell better.