Max Out Every Special In Minutes In Fallout 4
Here’s Reddit user B-FOXY’s method: once you have Dogmeat in tow, head back to your house and find the “You’re SPECIAL” book under Shaun’s dresser. Drop the book, command your canine companion to fetch it, and then grab it yourself right as he bends down to pick it up. If you do it right, Dogmeat will drop another copy of the book at your feet.
Check this video tutorial for more step-by-step instructions.