system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: Why does applying pressure to your forehead when you have a headache help ease the pain?
gpt
You have pressure points there. Your brain focuses its attention to those new areas, allowing temporary relief from your headache. 

Imagine being stabbed in your leg while you have a headache. You're now more focused on your leg than your headache, which in comparison doesn't feel so bad anymore. You're doing something similar to this except without the pain or repercussions.