"Bethesda has published the next installment in the Fallout 4 "S.P.E.C.I.A.L." video series, this one focusing on Charisma and why it's important to cultivate it to survive in a post-apocalyptic world.
As you'll see in the video, boosting your charisma stats can be very beneficial in the wasteland. You can use your charisma to charm people (and animals), and can even use your skills to help in bartering negotiations or to convince people to do your bidding. If you lack charisma, you may end up with a fork in your eye."