Granted! All Knowledge fills your head. You know absolutely everything. No, thankfully, your head didn't get super big. Unfortunately, knowing everything comes at a cost. You are afraid to get to get close to anyone, because you know how, when, and where they will die.
Wish granted. You, the biggest fish ever, are served as the largest and most delivious dish of fish and chips in history. The fish and chips enthusiasts are more than happy to eat you up, until you gave them food poisoning and... well they spent allot of time in the restroom removing you from their bodies.
Granted! Unfortunately, since you don't have to, someone else does. That someone is a hideous old woman with poor eyesight who seems to ALWAYS cut you with the clippers.