Tarzan went to the witch doctor and said:
"I think I'm having some eye-problems, could you take a look at them?"
The witch doctor examined his eyes, and then he said: "Yes.. I see... I think I can help you with that"
He then switched Tarzans eyes out for eagle-eyes
"Thank you doctor. However, I'm also having some trouble with my nose, I can't really sense smell that well.
The witch doctor then switched Tarzans nose out for a boar snout.
"Thank you doctor. There is one last thing... I feel like my junk is a bit small... Could you fix that?
The witch doctor then switched Tarzans junk out for an elephants trunk.
"Thank you very much!" He said and left the witch doctor.
2 days later, Tarzan came back.
"So, how's it going?" asked the witch doctor.
"It's... fine... But there is a problem..." Tarzan replied
"Oh, are the eyes not working right?"
"Oh no, the eyes are great! I can see for miles!"
"Is it the snout then?"
"The snout is working fine too, I can easily find all sorts of food"
"So it's the elephants trunk? Is it too big? Too small?"
"No... the size is fine... But it keeps putting grass up my butt!"