"I'm glad you brought that up, sir," said the candidate, "because all I need to make that annoying wink go away is a couple of aspirins. See for yourself. I've got some on me." 

And he began emptying his pockets on the desk. The prospective employer was startled to see dozens of packages of condoms piling up - ribbed ones, lubricated ones, Magnums, every variety imaginable.

"Aha," cried the young man happily, "here they are." He brandished two aspirin, swallowed them, and sure enough the wink went away in less than a inute.

"So much for the wink," said the personnel manager sternly, gesturing at the mountain of rubbers, "but what about all this stuff here? I don't want the company represented by some wild womanizer."

"No fear. I'm a happily married man."

"So how can you account for the contents of your pockets?"

"It's quite simple, sir," the fellow assured him earnestly. "Have you ever gone into a drug store, winking like crazy, and asked for a bottle of aspirin?"