Won't Miss #177 - ground beef and pork mix

A poster at MOS Burger fast food restaurants that advertises the fact that their burgers are a pork and beef mixture, which appeals more to Japanese tastes than 100% beef burgers (which Western burger chains sell).
My husband likes beef. Personally, I'm not a fan of it, but I cook the occasional hamburger or ground beef-based recipe for him. The thing is that most (but not all) of the ground meat