My youngest grand son has just taken up the guitar at the age of 13. He was thrilled when I showed him a couple of chords. One of my step grandsons once said to me, "Did you know that you are famous"? For once I was gob smacked!
My beautiful Grand daughter is a published poet.
And, the great thing about grand children is, you can send them home when they get up your nose!

Dan, you are in for some fun times; enjoy while you can because like your own children they grow up way too fast.