Minerva passed a steaming cup to John. "This will help alleviate the symptoms. Do you know when it happened?"
"It was immediately noticeable after a jump through Witchspace. I suffered crippling anxiety. I had to radio for help. I was too scared to use Supercruise." John spat out his first sip of the hot beverage, "Fish!?"
Minerva nodded yes, "You'll have to drink that twice a day for the rest of your life. We could remove that gland, but we don't know how it was implanted, or why. It may be booby-trapped.
So it's your choice, 'op' or 'tuna tea'."
Reading the title, I see your powers of prediction remain un-dimished