The Four of Babylon

What is Dave wearing today? Dave is wearing the overpriced T-shirt he purchased a while ago from a souvenir shop near Bryce Canyon, as well as running shorts and socks. How does Dave feel today? Dave is frustrangy, which is a portmanteau of "frustrated" and "angry" that he has just coined and plans to trademark. What are the factors affecting Dave's mood? Dave would rather not go into detail about…