<human>: Can you give me the gist of the text in a nutshell?

For the past 8 years or so, I've started every single morning with an espresso, followed by an afternoon cup of black tea. "That's not a lot of caffeine," I thought. Well...  

Yesterday, for some completely inexplicable reason, I decided to not have any coffee or tea whatsoever. And then it happened:  

Noon: headache  
3pm: groggy, moody, fell asleep  
6pm: got into a huge fight with my wife and I have no idea why  
10pm: my whole body hurts and my head feels like it's been hit with a baseball  
2-5am: laying in bed with a ridiculous headache and I can't fall asleep despite being crazy tired.  
9am: get out of bed for good, feel like death. I actually thought it was a recurring, chronic medical issue that I have (which is FATAL if not treated).  
9:15am: made espresso and took 4 advil. Feel AMAZING.
<bot>: Abstained from caffeine for first time in a decade - thought I was dying. Caffeine is a drug and I'm a drug addict.