A few days ago when I told David that Grandpa Mike was coming to visit, he shouted for joy: "Grandpa Mike is coming to play with ME! Exciting!" There was no doubt in David's mind as to why Grandpa Mike was coming. (What other explanation could there be?)
After greeting his visitor at the airport with a big hug, we drove straight home so David could give Grandpa the grand tour of all of his toys. (Every single one--even the stupid ones from Happy Meals.) As David himself observed, "I have a lot of toys," so the tour took a really long time, until well past his bedtime. (I have to pause here and point out how wonderfully patient my dad is.)
The next morning David took Grandpa for a ride in an F-4 at the Air Force Museum: