SIGNS THAT YOUR GRANDPARENTS ARE SEXUALLY ACTIVE

* Pair of edible Depends found on bedroom floor.

* Lately, at night, they put their teeth in the same glass.

* Grandpa grabs his crotch and complains loudly of "denture-burn."

* Granny found handcuffed to her walker.

* Not only do you hear the bed squeaking, but also joints.

* Grandma regularly looks at Grandpa's crotch and claps twice.

* Your "Grandma" is Anna Nicole Smith.

* You've just seen their photos in the "Beaver Hunt" section of the May issue of Hustler.

* Grandmother starts baking Viagra-chip cookies.

* Kraft-matic adjustable bed set for "doggy style."