A couple go to a party where there are many people they both know, but many they don't know eithe....
After a while, the woman spies her husband, talking to a pretty young thing, and the conversation is polite and animated, and lasts for quite some time....
As the young lady leaves, the wife strolls over to her husband...
"Well honey", she says, "If I hadna seen it with my own eyes, Id'a never believed it...."
"What? That I can still chat a young lady up?" he grins, wolf-like...
"No, that you can hold your stomach in for 20 minutes - !"