Man goes to the Doctor complaining of premature ejaculation. The Doctor, being one for alternative remedies suggests that next time he feels he's about to pop, he should fire a starting pistol into the air.
The man agrees and goes home.
2 days later he's back and calls in to see the Doc.
"Well, how did it go then?"
"Not well" says the man. "Me and my wife were in the 69 position and I felt myself about to pop so I fired the starting pistol into the air. My wife sh!t in my face, bit my c0ck and the milkman came out of the wardrobe with his hands up!"