Cold Balls

Three women are talking about their boyfriends.
"It's funny," says Samantha, "Peter's balls are always cold as ice when I'm giving him a blow job!"
"You know what?" replies Jenny, "It's exactly the same with my Richard!"
They turn to the third girl.
"That's disgusting! I never put his thing in my mouth!"
"You're crazy," one of the girls pipes up. "A good blow job is the best way to keep a guy! You should try it!"
She says she'll think about it.
The next morning, they meet at the cafe and the blow job novice is sporting a wicked shiner.
"Whoa!" the first girl asks, "How did you get that black eye?!"
"Chris hit me when I was blowing him," she said.
"What on earth for?!" the second girl asks.
"I don't know," she replied. "All I did was tell him how strange it was that his balls were so warm, seeing as Pete and Richard's are so cold!"