Getting Castrated

A blond guy visits the hospital. "I want to be castrated!" he demands cheerfully. 

"Are you sure about this?" the doctor asks. 
"Have you discussed it with your wife?" 

"Yes, yes! I've thought about this for a long time. Let's get it over with!" 

So, the operation is performed. Since it's relatively simple, the blond guy only has to stay in the hospital for two days. On his way home, he meets a friend. 

"Well, hello! I haven't seen you for a couple of days," his friend says. 

"No, I've been to the hospital," replies the blond. 

"Well, that's funny. I'm on my way there right now!" 

"Really? So, what's up?" 

"I'm going to be vaccinated." 

"Oh, MAN!! That's what it's called!"

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