"I've got a perfect cure for a headache," said his buddy Trevor. "Whenever I have a headache I head home and I get my wife to give me a long, slow, wet blowjob. Never fails."
A week went by and they were in the bar again, talking. "Did you try my headache cure," asked Trevor.
"Yeah," said Phil, "Worked great! I had no idea how nice your house was, too!"