Why do people sometimes feel mentally exhausted even after a day with very little physical work?

How does having a rigid internal moral code affect your ability to forgive small mistakes in a relationship?
What is your greatest natural gift you were born with and why?
How do gun owners respond to proposals for things like assault weapon bans and universal background checks?
Have you ever had a moment at the grocery store where you realized you were being rude or arrogant? How did you handle it afterward?
What is a smarter way to build a supplement stack?
Why are autistic people so bad at self-modulating their voice?