As a Grandpa I've Learned the Most Retarded thing I can Say "No You Can't Do That" Nothing but a Challenge for My Daughter and Granddaughters! "I'll Show You Old Man! LOL! At this Point I'm Grateful when they don't invite Me to Participate. Grandpa You're taking Me to the Top of that Incredibly High Water Slide (I Hate Heights) Saying No was Always Problematic for Me!