Well, here's the thing.
I could have woken up with the headache and rather than thinking "'WTF' bloody thing, I'll fix it and move on..."
I could have instead woken up and thought "'WTF' I never get headaches, it must mean something bad is going on inside my head... I'll need to dive onto WebMD and find out whether it's a sign of something nasty..."
Knowing, I eat healthily, exercise and drink plenty of water, I could very quickly dismiss these as the reason as to why it occurred and carried on my search.
Determined to find the 'real reason' why it was happening...
All this searching, keeps me tuned into the pain of the headache, the fear of their being something wrong and the worry that my head is about to explode.
Once trapped in this mini-cycle my brain does it's 'Oh so helpful but really unhelpful thing of reminding me of all the other times, I've ignored my health thinking it was benign and it wasn't...
Like the time I thought I had a cold, then was coughing up blood on the shop floor of a swanky fast-fashion retailer where I was a manager, which turned out to be pneumonia...
Or the time I had another cold which ended up being the flu and had me in bed for days with a sky-high temperature and even a hallucination or two...
Then you keep reading and searching and uncover all the stories of people who have brain tumours, rare genetic disorders and a host of other scary nasty things which were only diagnosed because they had a headache and they never have headaches...