Nintendo finally answers the tough questions... about Mario's nipples and belly button

Why does Mario have nipples but no belly button? That's what Super Mario Odyssey gamers really want to know about the hit Nintendo Switch game. 
Thankfully, Nintendo has finally addressed the question in an interview. But don't get too excited. A belly button isn't necessarily in the works, although Nintendo is considering the design change. Nintendo features a shirtless Mario suit in the game, and the popular character has nipples but no belly button. Gamers quickly noticed that detail and st...