Chronic Migraine 

Basically a Migraine but ongoing, possibly forever, and some times you'll get the lucky days where you don't have a Migraine then be crying in the darkness on the floor the next day.
It drains the person mentally, physically and emotionally, so please Do Not Disturb.

''I feel like I'm dying from the inside''
''Why?''
''I'm a Chronic Migraine sufferer.

Chronic Migraine by Mohatu the Nightfury August 20, 2017