It took me a while to realize I was being so literal. I did it this morning without thinking about it at work, but I did realize after a moment that the person I was talking to was being sarcastic. It's a very interesting side effect to my migraines.
When my pain levels go up, I feel my intelligence slipping down. I can't brain today is a fact of life for me some days. I think because of the intense pain, my higher brain functions will short out a bit.
So if I take something you say either in person or online literally, it's probably because my brain isn't working correctly.