I know I've been at home a little too long when I start to get "cabin fever". That sense that I am trapped in a very small environment and can't get out. During meetings at work, I daydream about all of the incredible places I have been or want to go to and I can feel my spirits lift.
The only cure for what ails me is to plan some new adventure. Whether it's near or far, somewhere new or an old favorite, it doesn't matter. It makes me feel like I have escaped and gained my freedom.