10. Pair of edible Depends found on bedroom floor.

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

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

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

6. Granny found cuffed to her walker.

5. Grandmother starts baking Viagra-chip cookies.

4. Your "Grandma" is Anna Nicole Smith.

3. You've just seen the photos in the "Beaver Hunt" section of HUSTLER.

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

1. Kraft-matic Adjustable Bed set for "doggy style