Founding member of the Society for the Advocacy of the Creation of Humans with Four Arms (SACHFA) and I'm here to tell you that humans need four arms. too much stuff to take inside? not with four arms! carry 1.5x as much stuff AND have a hand free to open the door! thing to heavy or bulky to pick up? not with four arms! with four arms you can lift twice as much in one go, or carry bulky objects like tv screens with ease, a hand on every corner! think about it, driving the car, can't do more than steer and one other thing? hard to take a drink when you're trying to turn your blinker on? can't roll up a window and change the AC at the same time? not with four arms! with four arms you can keep two hands firmly on the steering wheel and still have two left to eat a pizza or change your radio settings with ease! what a breeze! I don't care if it's genetic engineering, genetic cross breeding with squids or spiders, or just advanced neural cybernetics to give us doc Ock arms, humans need four arms. So remember, when someone asks you what SACHFA stands for, just tell them humans need four arms!