It's a mark of how fascinating he found Diddy’s story of the
Polar Grinder that Quoyle is inspired to buy a boat directly afterwards. Despite his reticence, this is the first sign that something of his ancestors’ seafaring blood might run through his veins. Importantly, it’s the first independent decision readers have seen him make in the book. It seems that he’s no longer entirely willing to let circumstances dictate his life for him.