And if the implication is somewhat tinged with "lack of success leads to unhappiness," Hemingway's father blew his own brains out, so it's less that Hemingway w

And if the implication is somewhat tinged with "lack of success leads to unhappiness," Hemingway's father blew his own brains out, so it's less that Hemingway was unhappy with his literary results and more genetically predisposed to shooting his head off. (Hemingway was, also, definitionally a commercial writer, as he was literally a war correspondent. I.e., someone writing serves commerce.)