"I'm not sure, Granny, but SOMEONE has to get those kids home! They're DEPENDING on me, and I'll get them home any way I can!" He wondered if he should have the silverfish go check on that. "I can't come home, Granny, I've got a lot of stuff going on here--and the move would be hard on my aquariums!" As far as she knew, Arthur had simply found a sudden intense interest in a brand-new hobby, which was normal enough, right?