What have you done for the horrible, horrible headaches.

I'm biased and haven't used them for headaches. And don't take this as advice, you should research it very thoroughly before you jump right in. And also it is illegal obviously. But many people have reported magic mushrooms as a god send for cluster headaches. Weed can help as well. But these are risky risky things with DPD so do your own research and be fully aware of those risks