Tired Head

My dad uses a phrase I'm pretty sure he picked up from Sports Talk Radio - "Tired Head" - It's his expression for anything that just wears him out. Long, detailed discussions about inconsequential things give him tired head. Chick flicks give him tired head. People with little common sense give him tired head. Today, I have tired head. It's becoming a common condition about this time on Tuesday and Thursday mornings as I leave a class called Philosophy of Religion. I am not a good circular or abstract thinker, and this class really calls upon me to do a lot of that. Philosophy of Religion gives me tired head. So do people who are unaware that the universe does not revolve around their schedules. Animal lovers who allow their pets to take priority over people give me tired head. Busy signals give me tired head. PawPaws driving 50 on the highway in the Left lane give me tired head. What gives you tired head?