He goes to the doctor and says, "Look, I just can't bring my wife to orgasm in bed, it's a real problem."
The doctor says, "Well, is it too warm?"
"Yes, it's absolutely sweltering"
"Then get some air-con"
"I can't afford air-con, I'm too poor"
"Well, Dave, do you have a good mate?"
"Yeah, I've got a mate Mick"
"Well, ask your mate Mick to stand over you and the mrs with a towel, wafting you both to cool you down, that might help."
So, Dave asks Mick for this favour, who then agrees to help him. That night, Dave is in bed with his wife, pounding...