I've heard that Alfred Hitchcock said that by the time he was ready to shoot a film, he didn't even want to do it any more because he'd already had all of the fun of working it out. It's the same thing with these Frank comics.
Every time I write something down I check it to see if it has that telltale glow, the glow that tells me there's something there. If it glows, it stays. Everything is either on or off.