"Both of my legs work, so I'll just walk to the hospital if I have a problem."
"But... what if both of your legs get broken?"
"I'll walk to the hospital."
"But... broken legs..."
"I have two good legs, so I'll just walk to the hospital if I break my legs! What's so hard to understand???"
"... It is hard to understand the particular way in which you are a moron."