The doctor carefully examines the patient and comes to a conclusion that his dick is too huge and needs to be replaced with a smaller one. After a long pause, the patient agrees and had the surgery. When he woke up, his stuttering was gone and was satisified.
After a few weeks he comes back to the clinic.
Patient: Doc, I’m now having marital problems. My wife doesn’t want to make love to me anymore. Please give me back my old dick back.
Doctor: Nnnononono cccacacannn dddododooo. A a a a a dddededeeaall iiiiss a a a a dddededeal.