A recruit who wasn't really meant to be a soldier...
A recruit who wasn't really meant to be a soldier went out to the rifle range for the first time. He missed every target and most of the hills behind them. Despondent, he said to the sergeant, "I think I'll just go and shoot myself."The sergeant said, "Better take a couple of extra bullets!"

A doctor is complaining to a mechanic
A doctor is talking to a car mechanic, "Your fee is several times more per hour then we get paid for medical care."

"Yeah, but you see, doc, you have always the same model, it hasn't changed since Adam; but we have to keep up to date with new models coming every month."