A woman asks her husband at breakfast time, "Would you like some bacon 
and eggs, a slice of toast, and maybe some grapefruit juice and coffee?"

He declines.  "Thanks for asking, but I'm not hungry right now.  It's 
this Viagra," he says.  "It's really taken the edge off my appetite."

At lunchtime, she asked him if he would like something.  "How about a 
bowl of soup, homemade muffins or a cheese sandwich?"

He declines. "The Viagra," he says, "really trashes my desire for food."

Come dinnertime, she asks if he wants anything to eat.  "Would you 
like a juicy rib eye steak and some scrumptious apple pie?  Or maybe a 
rotisserie chicken or tasty stir fry?"

He declines again. "No," he says, "it's got to be the Viagra.  I'm 
still not hungry."

"Well" she replies, "would you mind letting me up, I'm starving