The grandson came for the summer. Three weeks with an eight-year-old.  I’m still bloody exhausted, but we squeezed every bit of joy from it. We are all geeks here. It’s wall-to-wall Star Wars, Star Trek, Harry Potter, (before she-who-must-not-be-named went off the deep end). We’ve had Pokémon, Magic the Gathering, Dungeons and Dragons, Disney, Witchy,…