For all intents and purposes, I am a perfectly functioning adult as viewed from the outside. My studies are going well, I have a social life (when I want to), and I consider myself a hale and hearty individual. But for some reason, I often fall into this sort state of conscious hibernation, where I retreat into really vivid daydreams. It's been going on since I was young, and I thought it would eventually go away when I grew up. But it hasn't, not really. I looked up "excessive daydreaming,"…