 What is the "new kind of fun" that the narrator wants to have now that his first experiment worked?
Again in the laboratory, I entered the metabolic accelerator and withdrew the intravenous needles from my first volplas. The accelerator had forced them almost to adulthood in less than a month. It would be several hours before they would begin to move, to learn to feed and play, perhaps to learn to fly. I flipped a hamburger and a slice of onion onto a plate and picked up the ketchup and said, "I've reached the dangerous age." He would conclude, "I am convinced that they have a language and speak it intelligently." Reporters would "expose the truth" and ask, "Where have these aliens come from?" Volpla wisdom would become a cult—and of all forms of comedy, cults, I think, are the funniest.
 He is going to sit back and watch a chaotic plan come into place
 He wants to pursue his maid, since she doesn't seem interested in him  He is going to sit back and watch a chaotic plan come into place  He is going to spend more time outdoors with his kids, exploring the area  He is going to continue developing various types of mutant animals