Andrew had such a great time playing with Dad-dad over Christmas. He still asks for him. The other day he came running into the room with an old photo album; grinning and yelling "Dad-dad! Dad-dad!" Sure enough, there was a picture of my dad when his hair was still a little bit dark and he had his mustache. Andrew was so excited to see the pictures.
Here he is showing Dad-dad how he feels about him: